John Fleng Steffensen
Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
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Torpor e energética em Beija-flores do Sudeste Brasileiro
Abe, A. S., Bech, C., Steffensen, John Fleng, Berger, M. & Bicodu, J. E. P. W., 1995, In: Museu de Biologia Mello Leitao. Boletim. 2, p. 3-13Research output: Contribution to journal › Journal article › Research › peer-review
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Intussusceptive Vascular Remodeling Precedes Pathological Neovascularization
Ali, Z., Mukwaya, A., Biesemeier, A., Ntzouni, M., Ramsköld, D., Giatrellis, S., Mammadzada, P., Cao, R., Lennikov, A., Marass, M., Gerri, C., Hildesjö, C., Taylor, M., Deng, Q., Peebo, B., del Peso, L., Kvanta, A., Sandberg, R., Schraermeyer, U., Andre, H. & 5 others, , 2019, In: Arteriosclerosis, Thrombosis, and Vascular Biology. 39, 7, p. 1402-1418Research output: Contribution to journal › Journal article › Research › peer-review
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Laser speckle contrast imaging for monitoring changes in microvascular blood flow
Ambrus, R., Strandby, R. B., Svendsen, Lars Bo, Achiam, Michael Patrick, Steffensen, John Fleng & Svendsen, M. B. S., 2016, In: European Surgical Research. 56, 3-4, p. 87-96 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Effects of maternal stress coping style on offspring characteristics in rainbow trout (Oncorhynchus mykiss): [plus] Corrigendum
Andersson, M. Å., Silva, P. I. M., Steffensen, John Fleng & Höglund, E., 2011, In: Hormones and Behavior. 60, 5, p. 699-705 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Increases in arterial blood oxygen during exercise in the lemon shark (Negaprion brevirostris)
BUSHNELL, P., LUTZ, P., Steffensen, John Fleng, OIKARI, A. & GRUBER, S., 1982, In: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 147, 1, p. 41-47Research output: Contribution to journal › Journal article › Research › peer-review
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Oxygen Consumption and Swimming Performance in Hypoxia-Acclimated Rainbow Trout Salmo Gairdneri
BUSHNELL, P., Steffensen, John Fleng & JOHANSEN, K., 1984, In: Journal of Experimental Biology. 113, p. 225-235Research output: Contribution to journal › Journal article › Research › peer-review
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BLOOD-OXYGEN TRANSPORT IN THE LEMON SHARK
BUSHNELL, P., Steffensen, John Fleng, LUTZ, P. & OIKARI, A., 1981, In: FEDERATION PROCEEDINGS. 3, p. 431-431Research output: Contribution to journal › Conference article › Research › peer-review
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Torpor in Three Species of Brazilian Hummingbirds under Semi-Natural Condition
Bech, C., Steffensen, John Fleng, Merger, M., Bicodu, J. E. P. W. & Abe, A. S., 1997, In: The condor. 99, p. 780-788Research output: Contribution to journal › Journal article › Research › peer-review
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Metabolic aspects of torpor in hummingbirds
Bech, C. & Steffensen, John Fleng, 2006, In: Tung wu hsüeh pao. 52(Suppl.), p. 397-400Research output: Contribution to journal › Journal article › Research › peer-review
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Influence of moderate and severe hypoxia on the diurnal activity pattern of lesser sandeel Ammodytes tobianus
Behrens, J. W., Petersen, J. K., Aertebjerg, G. & Steffensen, John Fleng, 2010, In: Journal of Fish Biology. 77, 3, p. 538-51 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The response of lesser sandeel (Ammodytes tobianus) to acute hypoxia; swimming activity and physiological stress
Behrens, J. W. & Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S171Research output: Contribution to journal › Conference article › Research › peer-review
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Swimming energetics of the Barents Sea capelin (Mallotur villosus) during the spawning migration period
Behrens, J. W., Præbel, K. & Steffensen, John Fleng, 2006, In: Journal of Experimental Marine Biology and Ecology. 2, 331, p. 208-216Research output: Contribution to journal › Journal article › Research › peer-review
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Oxygen dynamics around buried lesser sandeels Ammodytes tobianus (Linnaeus 1785): mode of ventilation and oxygen requirements.
Behrens, J. W., Stahl, H. J., Steffensen, John Fleng & Glud, R. N., 2007, In: Journal of Experimental Biology. 210, Pt 6, p. 1006-14 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The effect of hypoxia on behavioural and physiological aspects of lesser sandeel, Ammodytes tobianus (Linnaeus, 1785)
Behrens, J. W. & Steffensen, John Fleng, 2007, In: Marine Biology. 150, p. 1365-1377Research output: Contribution to journal › Journal article › Research › peer-review
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Respiratory Physiology of European Plaice (Pleuronectes platessa) Exposed to Prymnesium parvum
Bergsson, H., Andersen, N. R., Svendsen, M. B. S., Hansen, Per Juel & Steffensen, John Fleng, 2019, In: Fishes. 4, 2, 13 p., 32.Research output: Contribution to journal › Journal article › Research › peer-review
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Model of Oxygen Conditions within Aquaculture Sea Cages
Bergsson, H., Svendsen, M. B. S. & Steffensen, John Fleng, 2023, In: Biology. 12, 11, 17 p., 1408.Research output: Contribution to journal › Journal article › Research › peer-review
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Vascularization of the lateral line organ in the Atlantic cod: involvement of the secondary vascular system
Bielecki, J., Skov, P. V., Tranum-Jensen, Jørgen & Steffensen, John Fleng, 2008, In: Journal of Zoology. 276, 2, p. 142-148 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Blood Volume, Plasma Volume and Circulation Time in a High-Energy-Demand Teleost, the Yellowfin Tuna (Thunnus Albacares)
Brill, R. W., Cousins, K. L., Jones, D. R., Bushnell, P. G. & Steffensen, John Fleng, 1998, In: Journal of Experimental Biology. 201, 5, p. 647-654Research output: Contribution to journal › Journal article › Research › peer-review
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Accelerometer tags: detecting and identifying activities in fish and the effect of sampling frequency
Broell, F. B., Noda, T., Wright, S., Domenici, P., Steffensen, John Fleng, Auclair, J. & Taggart, C. T., 2013, In: Journal of Experimental Biology. 216, 7, p. 1255-1264 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Exercise metabolism in two species of cod in arctic waters
Bushnell, P. G., Steffensen, John Fleng, Schurmann, H. & Jones, D. R., 1994, In: Polar Biology. 14, p. 43-48Research output: Contribution to journal › Journal article › Research › peer-review
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Macromolecular capillary permeability of three species of fish.
Bushnell, P., Steffensen, John Fleng, Brill, R. & Jones, D., 1997, In: The FASEB Journal. 3, p. 558Research output: Contribution to journal › Conference abstract in journal › Research
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Erratum: Gait transition and oxygen consumption in swimming striped perch Embiotoca lateralis Agassiz (Journal of Fish Biology (2006) 69 (1612-1625))
Cannas, M., Schaefer, J., Domenici, P. & Steffensen, John Fleng, 2007, In: Journal of Fish Biology.Research output: Contribution to journal › Journal article › Research › peer-review
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Gait transition and oxygen consumption in swimming striped surfperch Embiotoca lateralis Agassiz
Cannas, M., Schaefer, J., Domenici, P. & Steffensen, John Fleng, 2006, In: Journal of Fish Biology. 69, 6, p. 1612-1625Research output: Contribution to journal › Journal article › Research › peer-review
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Hypoxia-induced retinopathy model in adult zebrafish
Cao, Z., Jensen, L. D., Rouhi, P., Hosaka, K., Lanne, T., Steffensen, John Fleng, Wahlberg, E. & Cao, Y., 1 Dec 2010, In: Nature Protocols (Print). 5, 12, p. 1903-1910 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The determination of standard metabolic rate in fishes
Chabot, D., Steffensen, John Fleng & Farrell, A. P., 2016, In: Journal of Fish Biology. 88, 1, p. 81-121 41 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Population ecology, growth, and physico-chemical habitat of anadromous European perch Perca fluviatilis
Christensen, E. A. F., Svendsen, M. B. S. & Steffensen, John Fleng, 2021, In: Estuarine, Coastal and Shelf Science. 249, 8 p., 107091.Research output: Contribution to journal › Journal article › Research › peer-review
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The combined effect of body size and temperature on oxygen consumption rates and the size-dependency of preferred temperature in European perch Perca fluviatilis
Christensen, E. A. F., Svendsen, M. B. S. & Steffensen, John Fleng, 2020, In: Journal of Fish Biology. 97, 3, p. 794-803Research output: Contribution to journal › Journal article › Research › peer-review
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Maximum salinity tolerance and osmoregulatory capabilities of European perch Perca fluviatilis populations originating from different salinity habitats
Christensen, E. A. F., Grosell, M. & Steffensen, John Fleng, 2019, In: Conservation Physiology. 7, 1, p. 1-5 coz004.Research output: Contribution to journal › Journal article › Research › peer-review
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Shuttle-box systems for studying preferred environmental ranges by aquatic animals
Christensen, E. A. F., Andersen, L. E. J., Bergsson, H., Steffensen, John Fleng & Killen, S. S., 2021, In: Conservation Physiology. 9, 1, 21 p., coab028.Research output: Contribution to journal › Review › Research › peer-review
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Intra-Specific Difference in the Effect of Salinity on Physiological Performance in European Perch (Perca fluviatilis) and Its Ecological Importance for Fish in Estuaries
Christensen, E. A. F., Stieglitz, J. D., Grosell, M. & Steffensen, John Fleng, 2019, In: Biology. 8, 4, 17 p., 89.Research output: Contribution to journal › Journal article › Research › peer-review
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Plasma osmolality and oxygen consumption of perch Perca fluviatilis in response to different salinities and temperatures
Christensen, E. A. F., Svendsen, M. B. S. & Steffensen, John Fleng, Mar 2017, In: Journal of Fish Biology. 90, 3, p. 819-833 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Effects of salinity on swimming performance and oxygen consumption rate of shiner perch Cymatogaster aggregata
Christensen, E. A. F., Illing, B., Iversen, N. S., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, Jul 2018, In: Journal of Experimental Marine Biology and Ecology. 504, p. 32-37 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The response of striped surfperch Embiotoca lateralis to progressive hypoxia: swimming activity, shoal structure, and estimated metabolic expenditure
Cook, D. G., Brown, E. J., Lefevre, S., Domenici, P. & Steffensen, John Fleng, 2014, In: Journal of Experimental Marine Biology and Ecology. 460, p. 162-169 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Excess postexercise oxygen consumption decreases with swimming duration in a labriform fish: integrating aerobic and anaerobic metabolism across time
Cordero, G. A., Methling, C., Tirsgaard, B., Steffensen, John Fleng, Domenici, P. & Svendsen, J. C., 2019, In: Journal of Experimental Zoology. Part A: Ecological and Integrative Physiology . 331, 10, p. 577-586 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Greenland shark: a new challenge for the oxidative stress theory of ageing?
Costantini, D., Smith, S., Killen, S. S., Nielsen, J. & Steffensen, John Fleng, 2017, In: Comparative Biochemistry and Physiology. Part A: Molecular & Integrative Physiology. 203, p. 227-232 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The effects of acute hypoxia and hypercapnia on oxygen consumption of the freshwater European eel
Cruz-Neto, A. P. & Steffensen, John Fleng, 1997, In: Journal of Fish Biology. 50, p. 759-769Research output: Contribution to journal › Journal article › Research › peer-review
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Nitric oxide permits hypoxia-induced lymphatic perfusion by controlling arterial-lymphatic conduits in zebrafish and glass catfish
Dahl Ejby Jensen, L., Cao, R., Hedlund, E., Söll, I., Lundberg, J. O., Hauptmann, G., Steffensen, John Fleng & Cao, Y., 2009, In: Proceedings of the National Academy of Science of the United States of America. 106, 43, p. 18408-13 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Arctic and Antarctic Polar Marine Environments
DeVries, A. L. & Steffensen, John Fleng, 2005, Physiology of Polar Fishes. Farrell, A. P. & Steffensen, J. F. (eds.). p. 1-24 24 p. (Fish Physiology, Vol. 22).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Oil gland and oil pores in billfishes: in search of a function
Dhellemmes, F., Hansen, M. J., Bouet, S. D., Videler, J. J., Domenici, P., Steffensen, John Fleng, Hildebrandt, T., Fritsch, G., Bach, P., Sabarros, P. S., Krüger, A., Kurvers, R. H. J. M. & Krause, J., 2020, In: The Journal of Experimental Biology. 223, 7 p., jeb224956.Research output: Contribution to journal › Journal article › Research › peer-review
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Physiological traits of the Greenland shark Somniosus microcephalus obtained during the TUNU-Expeditions to Northeast Greenland
Di Prisco, G., Ademollo, N., Ancora, S., Christiansen, J. S., Coppola, D., Corsolini, S., Ferrando, S., Ghigliotti, L., Giordano, D., Lynghammar, A., Nielsen, J., Pisano, E., Russo, R., Steffensen, John Fleng & Verde, C., 2021, Life in Extreme Environments: Insights in Biological Capability. Di Prisco, G., Edwards, H. G. M., Elster, J. & Huiskes, A. H. L. (eds.). Cambridge University Press, p. 11-41 (Ecological Reviews).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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The effect of hypoxia on fish swimming performance and behaviour: swimming physiology of fish
Domenici, P., Herbert, N. A., Lefrançois, C., Steffensen, John Fleng & McKenzie, D., 2013, Swimming Physiology of Fish. Palstra, A. P. & Planas, J. V. (eds.). Springer Science+Business Media, p. 129-159 31 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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How sailfish use their bills to capture schooling prey
Domenici, P., Wilson, A. D. M., Kurvers, R. H. J. M., Marras, S., Herbert-Read, J. E., Steffensen, John Fleng, Krause, S., Viblanc, P. E., Couillaud, P. & Krause, J., 2014, In: Proceedings of the Royal Society B: Biological Sciences. 281, 1784, 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The effect of progressive hypoxia on swimming activity and schooling in Atlantic herring
Domenici, P., Steffensen, John Fleng & Batty, R. S., 2000, In: Journal of Fish Biology. 57, 6, p. 1526-1538Research output: Contribution to journal › Journal article › Research › peer-review
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The effect of hypoxia on fish schooling
Domenici, P., Steffensen, John Fleng & Marras, S., 19 Aug 2017, In: Philosophical Transactions of the Royal Society B: Biological Sciences. 372, 1727, 13 p., 20160236.Research output: Contribution to journal › Journal article › Research › peer-review
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The effect of progressive hypoxia on school structure and dynamics in Atlantic herring Clupea harengus.
Domenici, P., Ferrari, R. S., Steffensen, John Fleng & Batty, R. S., 2002, In: Proceedings of the Royal Society of London. Biological Sciences. 269, 1505, p. 2103-11 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Fast-starting after a breath: air-breathing motions are kinematically similar to escape responses in the catfish Hoplosternum littorale
Domenici, P., Norin, T., Bushnell, P. G., Johansen, J. L., Skov, P. V., Svendsen, M. B. S., Steffensen, John Fleng & Abe, A. S., 2015, In: Biology Open. 4, p. 79-85 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Advancing Research for the Management of Long-Lived Species: A Case Study on the Greenland Shark
Edwards, J. E., Hiltz, E., Broell, F., Bushnell, P. G., Campana, S. E., Christiansen, J. S., Devine, B. M., Gallant, J. J., Hedges, K. J., MacNeil, M. A., McMeans, B. C., Nielsen, J., Præbel, K., Skomal, G. B., Steffensen, John Fleng, Walter, R. P., Watanabe, Y. Y., VanderZwaag, D. L. & Hussey, N. E., 2019, In: Frontiers in Marine Science. 6, p. 1-27 87.Research output: Contribution to journal › Journal article › Research › peer-review
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Partitioning the metabolic scope: the importance of anaerobic metabolism and implications for the oxygen- and capacity-limited thermal tolerance (OCLTT) hypothesis
Ejbye-Ernst, R., Michaelsen, T. Y., Tirsgård, B., Wilson, J. M., Jensen, L. F., Steffensen, John Fleng, Pertoldi, C., Aarestrup, K. & Svendsen, J. C., 2016, In: Conservation Physiology. 4, 1, 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Does fish from the Disko Bay area of Greenland possess antifreeze proteins during the summer?
Enevoldsen, L. T., Heiner, I., Devries, A. L. & Steffensen, John Fleng, 2003, In: Polar Biology. 26, p. 365-370Research output: Contribution to journal › Journal article › Research › peer-review
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An analysis of the energetic cost of the branchial and cardiac pumps during sustained swimming in trout
FARRELL, A. & Steffensen, John Fleng, 1987, In: {FISH PHYSIOLOGY AND BIOCHEMISTRY}. 4, 2, p. 73-79Research output: Contribution to journal › Journal article › Research › peer-review
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Effects of exercise training and coronary ablation on swimming performance, heart size, and cardiac enzymes in rainbow trout, Oncorhynchus mykiss
FARRELL, A., JOHANSEN, J., Steffensen, John Fleng, MOYES, C., WEST, T. & SUAREZ, R., 1990, In: Canadian Journal of Zoology. 68, 6, p. 1174-1179Research output: Contribution to journal › Journal article › Research › peer-review
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Coronary ligation reduces maximum sustained swimming speed in Chinook salmon, Oncorhynchus tshawytscha.
Farrell, A. P. & Steffensen, John Fleng, 1987, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 87, 1, p. 35-7 2 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Physiology of Polar Fishes
Farrell, A. P. (ed.) & Steffensen, John Fleng (ed.), 2005, Academic Press. (Fish Physiology).Research output: Book/Report › Book › Research › peer-review
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Dermal Denticles of Three Slowly Swimming Shark Species: Microscopy and Flow Visualization
Feld, K., Kolborg, Anne Noer, Nyborg, C. M., Salewski, M., Steffensen, John Fleng & Berg-Sørensen, K., 2019, In: Biomimetics. 4, 2, 20 p., 38.Research output: Contribution to journal › Journal article › Research › peer-review
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Plasma FITC-dextran exchange between the primary and secondary circulatory systems in the Atlantic cod, Gadus Morhua.
Fischer, C. & Steffensen, John Fleng, 2008, In: Fish Physiology & Biochemistry. 34, 3, p. 245-9 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Thermal optimum for pikeperch (Sander lucioperca) and the use of ventilation frequency as a predictor of metabolic rate
Frisk, M., Skov, P. V. & Steffensen, John Fleng, 2012, In: Aquaculture. 324-325, p. 151-157 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The effects of temperature on specific dynamic action and ammonia excretion in pikeperch (Sander lucioperca)
Frisk, M., Steffensen, John Fleng & Skov, P. V., 2013, In: Aquaculture. 404-405, p. 65-70 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Energetic extremes in aquatic locomotion by coral reef fishes
Fulton, C. J., Johansen, J. L. & Steffensen, John Fleng, 2013, In: PLoS ONE. 8, 1, 6 p., e54033.Research output: Contribution to journal › Journal article › Research › peer-review
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Excess post-hypoxic oxygen consumption is independent from lactate accumulation in two cyprinid fishes
Genz, J., Jyde, M. B., Svendsen, J. C., Steffensen, John Fleng & Ramløv, H., 2013, In: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology. 165, 1, p. 54-60 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Too hot to handle? Using movement to alleviate effects of elevated temperatures in a benthic elasmobranch, Hemiscyllium ocellatum
Gervais, C. R., Nay, T. J., Renshaw, G., Johansen, J. L., Steffensen, John Fleng & Rummer, J. L., 2018, In: Marine Biology. 165, 11, p. 1-12 162.Research output: Contribution to journal › Journal article › Research › peer-review
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Adapt, move or die - how will tropical coral reef fishes cope with ocean warming?
Habary, A., Johansen, J. L., Nay, T. J., Steffensen, John Fleng & Rummer, J. L., 2017, In: Global Change Biology. 23, 2, p. 566-577 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Optimum temperature of a northern population of Arctic charr (Salvelinus alpinus) using heart rate Arrhenius breakpoint analysis
Hansen, A. K., Byriel, David Bille, R. Jensen, M., Steffensen, John Fleng & Svendsen, M. B. S., 2017, In: Polar Biology. 40, 5, p. 1063-1070 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Linking hunting weaponry to attack strategies in sailfish and striped marlin
Hansen, M. J., Krause, S., Breuker, M., Kurvers, R. H. J. M., Dhellemmes, F., Viblanc, P. E., Müller, J., Mahlow, C., Boswell, K., Marras, S., Domenici, P., Wilson, A. D. M., Herbert-Read, J. E., Steffensen, John Fleng, Fritsch, G., Hildebrandt, T. B., Zaslansky, P., Bach, P., Sabarros, P. S. & Krause, J., 2020, In: Proceedings of the Royal Society B: Biological Sciences. 287, 1918, 9 p., 20192228.Research output: Contribution to journal › Journal article › Research › peer-review
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Blood O2 affinity of a large polar elasmobranch, the Greenland shark Somniosus microcephalus
Herbert, N. A., Skov, P. V., Tirsgård, B., Bushnell, P. G., Brill, R. W., Clark, C. H. & Steffensen, John Fleng, Nov 2017, In: Polar Biology. 40, 11, p. 2297-2305 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The response of Atlantic cod, Gadus morhua, to progressive hypoxia: fish swimming speed and physiological stress
Herbert, N. A. & Steffensen, John Fleng, 2005, In: Marine Biology. 147, p. 1403-1412Research output: Contribution to journal › Journal article › Research › peer-review
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Whole blood-oxygen binding properties of four cold-temperate marine fishes: blood affinity is independent of pH-dependent binding, routine swimming performance, and environmental hypoxia.
Herbert, N. A., Skov, P. V., Wells, R. M. G. & Steffensen, John Fleng, 2006, In: Physiological and Biochemical Zoology. 79, 5, p. 909-18 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Hypoxia increases the behavioural activity of schooling herring: a response to physiological stress or respiratory distress?
Herbert, N. A. & Steffensen, John Fleng, 2006, In: Marine Biology. 149, 5, p. 1217-1225Research output: Contribution to journal › Journal article › Research › peer-review
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The hypoxia avoidance behaviour of juvenile Atlantic cod (Gadus morhua L.) depends on the provision and pressure level of an O2 refuge
Herbert, N. A., Skjaeraasen, J. E., Nilsen, T., Salvanes, A. G. V. & Steffensen, John Fleng, 2011, In: Marine Biology. 158, 4, p. 737-746 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The interrelated effects of body size and choroids rete development on ocular O2 partial pressure of Atlantic cod (Gadus morhua) and Greenland cod (Gadus ogac).
Herbert, N. A., Steffensen, John Fleng & Jordan, Anders Drud, 2004, In: Polar Biology. 27, p. 748-752Research output: Contribution to journal › Journal article › Research › peer-review
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Proto-cooperation: group hunting sailfish improve hunting success by alternating attacks on grouping prey
Herbert-Read, J. E., Romanczuk, P., Krause, S., Strömbom, D., Couillaud, P., Domenici, P., Kurvers, R. H. J. M., Marras, S., Steffensen, John Fleng, Wilson, A. D. M. & Krause, J., 2016, In: Royal Society of London. Proceedings B. Biological Sciences. 283, 1842, 9 p., 20161671.Research output: Contribution to journal › Journal article › Research › peer-review
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Energy savings in sea bass swimming in a school: measurements of tail beat frequency and oxygen consumption at different swimming speeds
Herskin, J. & Steffensen, John Fleng, 1998, In: Journal of Fish Biology. 53, 2, p. 366-376Research output: Contribution to journal › Journal article › Research › peer-review
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Bowhead NEIL1: molecular cloning, characterization, and enzymatic properties
Holm, S., Larsen, R. M., Holst, C. M., Heide-Jørgensen, M. P., Steffensen, John Fleng, Stevnsner, T. & Larsen, K., 2023, In: Biochimie. 206, p. 136-149 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Protein synthesis, growth and energetics in larval herring (Clupea harengus) at different feeding regimes
Houlihan, D. F., Pedersen, B. H., Steffensen, John Fleng & Brechin, J., Jun 1995, In: Fish Physiology & Biochemistry. 14, 3, p. 195-208 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Protein synthesis, growth and energetics in larval herring (Clupea harengus) at different feeding regimes
Houlihan, D. F., Pedersen, B. H., Steffensen, John Fleng & Brechin, J., 1995, In: Fish Physiology & Biochemistry. 14 (3), p. 195-208Research output: Contribution to journal › Journal article › Research › peer-review
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Lacunae rostralis: A new structure on the rostrum of sailfish Istiophorus platypterus
Häge, J., Hansen, M. J., Pacher, K., Dhellemmes, F., Domenici, P., Steffensen, John Fleng, Breuker, M., Krause, S., Hildebrandt, T. B., Fritsch, G., Bach, P., Sabarros, P. S., Zaslansky, P., Mahlow, K., Schauer, M., Müller, J. & Krause, J., 2022, In: Journal of Fish Biology. 100, 5, p. 1205-1213 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The behavioural and physiological response of Atlantic cod Gadus morhua L. to short-term acute hypoxia
Johansen, J. L., Herbert, N. A. & Steffensen, John Fleng, 2006, In: Journal of Fish Biology. 68, 6, p. 1918-1924 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Kinematics and energetic benefits of schooling in the labriform fish, striped surfperch Embiotoca lateralis
Johansen, J. L., Vaknin, R., Steffensen, John Fleng & Domenici, P., 2010, In: Marine Ecology - Progress Series. 420, p. 221-229 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Winter temperatures decrease swimming performance and limit distributions of tropical damselfishes
Johansen, J. L., Steffensen, John Fleng & Jones, G. P., 2015, In: Conservation Physiology. 3, 1, 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Specific dynamic action in Gadus morhua under normoxia and moderate strong hypoxia
Jordan, A. D. & Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S213Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Growth of Atlantic cod (Gadus morhua L.) with different haemoglobin subtypes when kept near their temperature preferenda
Jordan, A. D., Lampe, J. F., Grisdale-Helland, B., Helland, S. J., Shearer, K. D. & Steffensen, John Fleng, 2006, In: Aquaculture. 257, p. 44-52Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effects of ration size and hypoxia on specific dynamic action in the cod
Jordan, Anders Drud & Steffensen, John Fleng, 2007, In: Physiological and Biochemical Zoology.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Does temperature preference relate to the anaerobic capacity of Atlantic cod (Gadus morhua L.) with different haemoglobin phenotype?
Jordan, Anders Drud, Steinhausen, M. F., Herbert, N. A., Grisdale-Helland, B., Helland, S. J. & Steffensen, John Fleng, 2005, In: Marine Biology Research. 1, 6, p. 411-416Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Oxygen consumption of East Siberian cod: no support for the metabolic cold adaptation theory
Jordan, Anders Drud, Jungersen, M. & Steffensen, John Fleng, 2001, In: Journal of Fish Biology. 59, 4, p. 818-823Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Polarfisks fysiologiske tilpasninger
Jordan, Anders Drud & Steffensen, John Fleng, 2006, Arktisk Station 1906 - 2006.: Et centrum for forskning. 1. ed. Danmark: Forlaget Rhodos, p. 286-291.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- Published
The Effect of Ration Size and Hypoxia on Specific Dynamic Action in the Cod
Jordan, Anders Drud & Steffensen, John Fleng, 2007, In: Physiological and Biochemical Zoology. 80, 2, p. 178-185Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Escape performance in three teleosts from West Greenland
Jordan, Anders Drud, Steffensen, John Fleng & Herbert, N. A., 2004, In: Polar Biology. 28, p. 164-167Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Conservation physiology of marine fishes: advancing the predictive capacity of models
Jørgensen, C., Peck, M. A., Antognarelli, F., Azzurro, E., Burrows, M. T., Cheung, W. W. L., Cucco, A., Holt, R. E., Huebert, K. B., Marras, S., McKenzie, D., Metcalfe, J., Perez-Ruzafa, A., Sinerchia, M., Steffensen, John Fleng, Teal, L. R. & Domenici, P., 2012, In: Biology Letters. 8, 6, p. 900-903 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Aerobic capacity influences the spatial position of individuals within fish schools
Killen, S. S., Marras, S., Steffensen, John Fleng & McKenzie, D., 2012, In: Proceedings of the Royal Society B: Biological Sciences. 279, 1727, p. 357-364 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Escaping from multiple visual threats: modulation of escape responses in Pacific staghorn sculpin (Leptocottus armatus)
Kimura, H., Pfalzgraff, T., Levet, M., Kawabata, Y., Steffensen, John Fleng, Johansen, J. L. & Domenici, P., 2022, In: The Journal of Experimental Biology. 225, 9, 9 p., jeb243328.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Energetics of median and paired fin swimming, body and caudal fin swimming, and gait transition in parrotfish (Scarus schlegeli) and triggerfish (Rhinecanthus aculeatus).
Korsmeyer, K. E., Steffensen, John Fleng & Herskin, J., 2002, In: Journal of Experimental Biology. 205, Pt 9, p. 1253-63 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Injury-mediated decrease in locomotor performance increases predation risk in schooling fish
Krause, J., Herbert-Read, J. E., Seebacher, F., Domenici, P., Wilson, A. D. M., Marras, S., Svendsen, M. B. S., Strömbom, D., Steffensen, John Fleng, Krause, S., Viblanc, P. E., Couillaud, P., Bach, P., Sabarros, P. S., Zaslansky, P. & Kurvers, R. H. J. M., 19 Aug 2017, In: Philosophical Transactions of the Royal Society B: Biological Sciences. 372, 1727, 8 p., 20160232.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Evolution of Lateralization in Group Hunting Sailfish
Kurvers, R. H. J. M., Krause, S., Viblanc, P. E., Herbert-Read, J. E., Zaslansky, P., Domenici, P., Marras, S., Steffensen, John Fleng, Svendsen, M. B. S., Wilson, A. D. M., Couillaud, P., Boswell, K. M. & Krause, J., 2017, In: Current Biology. 27, 4, p. 521-526 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The parasite fauna of Arctogadus glacialis (Peters) (Gadidae) from western and eastern Greenland
Køie, M., Steffensen, John Fleng, Møller, Peter Rask & Christiansen, J. S., 2008, In: Polar Biology. 31, 9, p. 1017-1021 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Characterization of the functional and anatomical differences in the atrial and ventricular myocardium from three species of elasmobranch fishes: smooth dogfish (Mustelus canis), sandbar shark (Carcharhinus plumbeus), and clearnose skate (Raja eglanteria)
Larsen, J., Bushnell, P., Steffensen, John Fleng, Pedersen, M., Qvortrup, Klaus & Brill, R., Feb 2017, In: Journal of Comparative Physiology B: Biochemical, Systems, and Environmental Physiology. 187, 2, p. 291-313 23 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Har fisk et lymfekarsystem?
Lomholt, J. P. & Steffensen, John Fleng, 1992, In: Naturens Verden. 1, p. 15-21Research output: Contribution to journal › Journal article › Communication
- Published
Severe hypoxia impairs lateralization in a marine teleost fish
Lucon-Xiccato, T., Nati, J. J. H., Blasco, F. R., Johansen, J. L., Steffensen, John Fleng & Domenici, P., 2014, In: Journal of Experimental Biology. 217, 23, p. 4115-4118 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Bidirectional cyclical flows increase energetic costs of station holding for a labriform swimming fish, Cymatogaster aggregata
Luongo, S. M., Ruth, A., Gervais, C. R., Korsmeyer, K. E., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, 2020, In: Conservation Physiology. 8, 1, 11 p., coaa077.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Fish swimming in schools save energy regardless of their spatial position
Marras, S., Killen, S. S., Lindstroem, J., McKenzie, D. J., Steffensen, John Fleng & Domenici, P., 2015, In: Behavioral Ecology and Sociobiology. 69, 2, p. 219-226 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Not so fast: swimming behavior of sailfish during predator-prey interactions using high-speed video and accelerometry
Marras, S., Noda, T., Steffensen, John Fleng, Svendsen, M. B. S., Krause, J., Wilson, A. D. M., Kurvers, R. H. J. M., Herbert-Read, J., Boswell, K. M. & Domenici, P., 2015, In: Integrative and Comparative Biology. 55, 4, p. 719-727 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Tolerance of chronic hypercapnia by the European eel Anguilla anguilla.
McKenzie, D. J., Piccolella, M., Dalla Valle, A. Z., Taylor, E. W., Bolis, C. L. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, Pt 10, p. 1717-26 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Tolerance of acute hypercapnic acidosis by the European eel ( Anguilla anguilla).
McKenzie, D. J., Taylor, E. W., Dalla Valle, A. Z. & Steffensen, John Fleng, 2002, In: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 172, 4, p. 339-46 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Does autonomic regulation of heart rate optimise oxygen uptake in teleost fishes?
McKenzie, D., Taylor, E., Wang, T., Skov, P. V., Steffensen, John Fleng, Campbell, H., Leite, C. & Abe, A., 2008, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 150, 3, Supplement, p. S117 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Effects of diet on spontaneous locomotor activity and oxygen consumption in Adriatic sturgeon (Acipenser naccarii)
McKenzie, D. J., Piraccini, G., Steffensen, John Fleng, Bolis, C. L., Bronzi, P. & Taylor, E. W., Oct 1995, In: Fish Physiology and Biochemistry. 14, 5, p. 341-355 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effects of diet on spontaneous locomotor activity and oxygen consumption in Adriatic sturgeon (Acipenser naccarli)
McKenzie, D. J., Piraccini, G., Steffensen, John Fleng, Bolis, C. L., Bronzi, P. & Taylor, E. W., 1995, In: Fish Physiology & Biochemistry. 14 (5), p. 341-355Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Swimming alters responses to hypoxia in the Adriatic sturgeon Acipenser naccarii
McKenzie, D. J., Steffensen, John Fleng, Korsmeyer, K., Whiteley, N. M., Bronzi, P. & Taylor, E. W., 2007, In: Journal of Fish Biology. 70, p. 651-658Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Growth hormone transgenic tilapia (Oreochromis sp.) compensate for increased metabolic rate to preserve exercise performance and hypoxia tolerance
McKenzie, D. J., Martínez, R., Morales, A., Acosta, J., Taylor, E. W., Steffensen, John Fleng & Estrada, M. P., 2001, In: Journal of Physiology. xx, p. 531Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Effects of dietary fatty acid composition on metabolic rate and responses to hypoxia in the European eel (Anguilla anguilla)
McKenzie, D. J., Piraccini, G., Piccolella, M., Steffensen, John Fleng, Bolis, C. L. & Taylor, E. W., 2000, In: Fish Physiology & Biochemistry. 22, 4, p. 281-296Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The influence of dietary fatty acid composition on the respiratory and cardiovascular physiology of Adriatic sturgeon (Acipenser naccarii): a review
McKenzie, D., Piraccini, G., Agnisola, C., Steffensen, John Fleng, Bronzi, P., Bolis, C., Tota, B. & Taylor, E., 1999, In: Journal of Applied Ichthyology. 15, 4-5, p. 265-269Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Tolerance of hypercapnic acidosis by the European eel, Anguilla anguilla
McKenzie, D., Dalla Valle, A., Steffensen, John Fleng & Taylor, E., 2000, In: Journal of Physiology. Suppl. S, p. 282P-283PResearch output: Contribution to journal › Conference abstract in journal › Research
- Published
Effects of growth hormone transgenesis on metabolic rate, exercise performance and hypoxia tolerance in tilapia hybrids
McKenzie, D., Martinez, R., Morales, A., Acosta, J., Morales, R., Taylor, E., Steffensen, John Fleng & Estrada, M., 2003, In: Journal of Fish Biology. 63, 2, p. 398-409Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Local Adaptation to Altitude Underlies Divergent Thermal Physiology in Tropical Killifishes of the Genus Aphyosemion
McKenzie, D., Estivales, G., Svendsen, J. C., Steffensen, John Fleng, Agnèse, J. & Nudds, R. L., 2013, In: P L o S One. 8, 1Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Abolition of reflex bradycardia by cardiac vagotomy has no effect on the regulation of oxygen uptake by Atlantic cod in progressive hypoxia
McKenzie, D. J., Skov, P. V., Taylor, E. W. T., Wang, T. & Steffensen, John Fleng, 2009, In: Comparative Biochemistry and Physiology A. 153, 3, p. 332-8 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Physiological mechanisms underlying individual variation in tolerance of food deprivation in juvenile European sea bass, Dicentrarchus labrax
McKenzie, D. J., Vergnet, A., Chatain, B., Vandeputte, M., Desmarais, E., Steffensen, John Fleng & Guinand, B., 2014, In: Journal of Experimental Biology. 217, 18, p. 3283-3292 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The contribution of air breathing to aerobic scope and exercise performance in the banded knifefish Gymnotus carapo L
McKenzie, D. J., Steffensen, John Fleng, Taylor, E. W. & Abe, A. S., 2012, In: Journal of Experimental Biology. 215, p. 1323-1330 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Physiological energetics may contribute to competitive exclusion in African killifish (Aphyosemion spp.).
McKenzie, D. J., Svendsen, J. C., Steffensen, John Fleng & Agnese, J., 2009, In: Comparative Biochemistry and Physiology A. 2, Supplement 1, p. S150 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Conservation physiology of marine fishes: state of the art and prospects for policy
McKenzie, D. J., Axelsson, M., Chabot, D., Claireaux, G., Cooke, S. J., Corner, R. A., De Boeck, G., Domenici, P., Guerreiro, P. M., Hamer, B., Jørgensen, C., Killen, S. S., Lefevre, S., Marras, S., Michaelidis, B., Nilsson, G. E., Peck, M. A., Perez-Ruzafa, A., Rijnsdorp, A. D., Shiels, H. A. & 9 others, , 2016, In: Conservation Physiology. 4, 1, 20 p., cow046.Research output: Contribution to journal › Review › Research › peer-review
- Published
Hypercapnia adversely affects postprandial metabolism in the European eel (Anguilla anguilla)
Methling, C., Pedersen, P. B., Steffensen, John Fleng & Skov, P. V., 2013, In: Aquaculture. 416-417, p. 166-172 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla)
Methling, C., Tudorache, C., Skov, P. V. & Steffensen, John Fleng, 8 Jun 2011, In: P L o S One. 6, 6, p. e20797Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effect of moderate hypoxia at three acclimation temperatures on stress responses in Atlantic cod with different haemoglobin types
Methling, C., Aluru, N., Vijayan, M. M. & Steffensen, John Fleng, 2010, In: Comparative Biochemistry and Physiology A. 156, 4, p. 485-90 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The temperature challenges on cardiac performance in winter-quiescent and migration-stage eels Anguilla anguilla
Methling, C., Steffensen, John Fleng & Skov, P. V., 2012, In: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology. 163, 1, p. 66-73 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The accuracy and limitations of a new meter used to measure aqueous carbon dioxide
Moran, D., Tirsgård, B. & Steffensen, John Fleng, 1 Nov 2010, In: Aquacultural Engineering. 43, 3, p. 101-107 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Phylogenetic position of the cryopelagic codfish genus Arctogadus Drjagin, 1932 based on partial mitochondrial cytochrome b sequences
Møller, Peter Rask, Jordan, Anders Drud, Gravlund, P. & Steffensen, John Fleng, 2002, In: Polar Biology. 25, 5, p. 342-349Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Control of red cell volume and pH in trout: Effects of isoproterenol, transport inhibitors, and extracellular pH in bicarbonate/carbon dioxide-buffered media
NIKINMAA, M., Steffensen, John Fleng, TUFTS, B. & RANDALL, D., 1987, In: Journal of Experimental Zoology. Part A: Ecological Genetics and Physiology (Print Edition). 242, 3, p. 273-281Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Intraspecific variation in thermal tolerance differs between tropical and temperate fishes
Nati, J. J. H., Svendsen, M. B. S., Marras, S., Killen, S. S., Steffensen, John Fleng, McKenzie, D. J. & Domenici, P., 2021, In: Scientific Reports. 11, 8 p., 21272.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The emergence emergency: a mudskipper's response to temperatures
Nay, T. J., Gervais, C. R., Hoey, A. S., Johansen, J. L., Steffensen, John Fleng & Rummer, J. L., 2018, In: Journal of Thermal Biology. 78, p. 65-72Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Regulate or tolerate: Thermal strategy of a coral reef flat resident, the epaulette shark, Hemiscyllium ocellatum
Nay, T. J., Longbottom, R. J., Gervais, C. R., Johansen, J. L., Steffensen, John Fleng, Rummer, J. L. & Hoey, A. S., 2021, In: Journal of Fish Biology. 98, 3, p. 723-732 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Habitat complexity influences selection of thermal environment in a common coral reef fish
Nay, T. J., Johansen, J. L., Rummer, J. L., Steffensen, John Fleng, Pratchett, M. S. & Hoey, A. S., 2020, In: Conservation Physiology. 8, 1, 9 p., coaa070.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Behavioural thermoregulation in a temperature-sensitive coral reef fish, the five-lined cardinalfish (Cheilodipterus quinquelineatus)
Nay, T. J., Johansen, J. L., Habary, A., Steffensen, John Fleng & Rummer, J. L., 2015, In: Coral Reefs. 34, 4, p. 1261-1265 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Species interactions alter the selection of thermal environment in a coral reef fish
Nay, T. J., Johansen, J. L., Rummer, J. L., Steffensen, John Fleng & Hoey, A. S., 2021, In: Oecologia. 196, 2, p. 363-371 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Greenland Shark (Somniosus microcephalus) Stomach Contents and Stable Isotope Values Reveal an Ontogenetic Dietary Shift
Nielsen, J., Christiansen, J. S., Grønkjær, P., Bushnell, P., Steffensen, John Fleng, Kiilerich, H. O., Præbel, K. & Hedeholm, R., 2019, In: Frontiers in Marine Science. 6, p. 1-11 125.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Assessing the reproductive biology of the Greenland shark (Somniosus microcephalus)
Nielsen, J., Hedeholm, R. B., Lynghammar, A., McClusky, L. M., Berland, B., Steffensen, John Fleng & Christiansen, J. S., 2020, In: PLoS ONE. 15, 10, 22 p., e0238986.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Eye lens radiocarbon reveals centuries of longevity in the Greenland shark (Somniosus microcephalus)
Nielsen, J., Hedeholm, R. B., Heinemeier, J., Bushnell, P. G., Christiansen, J. S., Olsen, J., Ramsey, C. B., Brill, R. W., Simon, M., Steffensen, K. F. & Steffensen, John Fleng, 12 Aug 2016, In: Science (New York, N.Y.). 353, 6300, p. 702-4 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Distribution and feeding ecology of the Greenland shark (Somniosus microcephalus) in Greenland waters
Nielsen, J., Hedeholm, R. B., Simon, M. & Steffensen, John Fleng, 2014, In: Polar Biology. 37, 1, p. 37-46 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Active predation by Greenland shark Somniosus microcephalus
Nielsen, J., hedeholm, R., Simon, M. & Steffensen, John Fleng, 2013.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
The cost of hovering and forward flight in a nectar-feeding bat, Glossophaga soricina, estimated from aerodynamic theory.
Norberg, U. M., Kunz, T. H., Steffensen, John Fleng, Winter, Y. & von Helversen, O., 1993, In: Journal of Experimental Biology. 182, p. 207-27 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The rostral micro-tooth morphology of blue marlin, Makaira nigricans
Pacher, K., Breuker, M., Hansen, M. J., Kurvers, R. H. J. M., Häge, J., Dhellemmes, F., Domenici, P., Steffensen, John Fleng, Krause, S., Hildebrandt, T., Fritsch, G., Bach, P., Sabarros, P. S., Zaslansky, P., Mahlow, K., Müller, J., Armas, R. G., Ortiz, H. V., Galván-Magaña, F. & Krause, J., 2024, In: Journal of Fish Biology. 104, 3, p. 713-722 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cod could face a breathless future: Inside JEB
Petersen, M. F. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, p. 211Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Preferred temperature of juvenile Atlantic cod Gadus morhua with different haemoglobin genotypes at normoxia and moderate hypoxia.
Petersen, M. F. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, Pt 2, p. 359-64 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Excess post-hypoxic oxygen consumption in Atlantic cod Gadus morhua
Plambech, M., Van Deurs, M., Steffensen, John Fleng, Tirsgård, B. & Behrens, J. W., 2013, In: Journal of Fish Biology. 83, 2, p. 396-403 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Differential occurrence of immune cells in the primary and secondary vascular systems in rainbow trout, Oncorhynchus mykiss (Walbaum)
Rasmussen, K. J., Steffensen, John Fleng & Buchmann, Kurt, 2013, In: Journal of Fish Diseases. 36, 7, p. 675-679 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Unsteady flow affects swimming energetics in a labriform fish (Cymatogaster aggregata)
Roche, D. G., Taylor, M. K., Binning, S. A., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, 2014, In: Journal of Experimental Biology. 217, p. 414-422 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Hypoxia-induced metastasis model in embryonic zebrafish
Rouhi, P., Jensen, L. D., Cao, Z., Hosaka, K., Lanne, T., Wahlberg, E., Steffensen, John Fleng & Cao, Y., 1 Dec 2010, In: Nature Protocols (Print). 5, 12, p. 1911-1918 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- E-pub ahead of print
A novel protocol for rapid deployment of heart rate data storage tags in Atlantic bluefin tuna Thunnus thynnus reveals cardiac responses to temperature and feeding
Rouyer, T., Bonhommeau, S., Bernard, S., Kerzerho, V., Derridj, O., Bjarnason, Allal, H., Steffensen, John Fleng, Deguara, S., Wendling, B., Bal, G., Thambithurai, D. & Mckenzie, D. J., 2024, (E-pub ahead of print) In: Journal of Fish Biology.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Function and control of the fish secondary vascular system, a contrast to mammalian lymphatic systems
Rummer, J. L., Wang, S., Steffensen, John Fleng & Randall, D. J., 2014, In: Journal of Experimental Biology. 217, p. 751-757 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Physiological effects of temperature on Greenland halibut Reinhardtius hippoglossoides shows high vulnerability of Arctic stenotherms to global warming
Ruth, A., Svendsen, M. B. S., Nygaard, R., Christensen, E. A. F., Bushnell, P. G. & Steffensen, John Fleng, 2023, In: Journal of Fish Biology. 103, 3, p. 675-683 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Some errors in respirometry of aquatic breathers: How to avoid and correct for them
Steffensen, John Fleng, 1989, In: Fish Physiology & Biochemistry. 6, 1, p. 49-59Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Gill ventilation and oxygen extraction during graded hypoxia in 2 ecologically distinct species of flatfish, the flounder (Platichthys flesus) and the plaice (Pleuronectes platessa)
Steffensen, John Fleng, LOMHOLT, J. & JOHANSEN, K., 1982, In: Environmental Biology of Fishes. 7, 2, p. 157-164Research output: Contribution to journal › Journal article › Research › peer-review
- Published
An automated swimming respirometer
Steffensen, John Fleng, JOHANSEN, K. & BUSHNELL, P., 1984, In: Comparative Biochemistry and Physiology A. 79, 3, p. 437-440Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Ventilation and oxygen consumption in the hagfish, Myxine glutinosa L.
Steffensen, John Fleng, JOHANSEN, K., SINDBERG, C., Sørensen, J. H. & Møller, J. L., 1984, In: Journal of Experimental Marine Biology and Ecology. 84, 2, p. 173-178Research output: Contribution to journal › Journal article › Research › peer-review
- Published
In vivo Observations on a Specialized Microvasculature, the Primary and Secondary Vessels in Fishes
Steffensen, John Fleng, LOMHOLT, J. & VOGEL, W., 1986, In: Acta Zoologica. 67, 4, p. 193-200Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Transition between Branchial Pumping and Ram Ventilation in Fishes: Energetic Consequences and Dependence on Water Oxygen Tension
Steffensen, John Fleng, 1985, In: Journal of Experimental Biology. 114, p. 141-150Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Respirometry across the gait transition in a labriform swimmer (Embiotoca lateralis).
Schaefer, J., Cannas, M. & Steffensen, John Fleng, 2002, In: Integrative and Comparative Biology. 6, p. 1307Research output: Contribution to journal › Conference abstract in journal › Research
- Published
The Influence of Body Size on Behavioral Thermal Preference in Atlantic Cod (Gadus morhua): Larger Fish Favor Colder Waters
Schakmann, M., Christensen, E. A. F., Steffensen, John Fleng & Svendsen, M. B. S., 2023, In: Fishes. 8, 12, 11 p., 596.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Swimming in unsteady water flows: is turning in a changing flow an energetically expensive endeavor for fish?
Schakmann, M., Steffensen, John Fleng, Bushnell, P. G. & Korsmeyer, K. E., 2020, In: The Journal of Experimental Biology. 223, 6, 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Latency of mechanically stimulated escape responses in the Pacific spiny dogfish, Squalus suckleyi
Schakmann, M., Becker, V., Søgaard, M., Johansen, J. L., Steffensen, John Fleng & Domenici, P., 2021, In: Journal of Experimental Biology. 224, 6 p., jeb230698.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Lethal oxygen levels at different temperatures and the preferred temperature during hypoxia of the Atlantic cod Gadus morhua L.
Schurmann, H. & Steffensen, John Fleng, 1992, In: Journal of Fish Biology. 41, 6, p. 927-934Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The influence of Hypoxia on the Preferred Temperature of Rainbow Trout Oncorhynchus mykiss
Schurmann, H., Steffensen, John Fleng & Lomholt, J. F., 1991, In: Journal of Experimental Biology. 157, p. 75-86Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Spontaneous swimming activity of Atlantic cod Gadus morhua exposed to graded hypoxia at three temperatures
Schurmann, H. & Steffensen, John Fleng, 1994, In: Journal of Experimental Biology. 197, p. 129-142Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effects of temperature, hypoxia and activity on the metabolism of juvenile Atlantic cod
Schurmann, H. & Steffensen, John Fleng, 1997, In: Journal of Fish Biology. 50, p. 1166-1180Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Fisk foretrækker lavere temperatur under iltsvind
Schurmann, H. & Steffensen, John Fleng, 1991, In: Vand & Miljø. 9, p. 434-437Research output: Contribution to journal › Journal article › Communication
- Published
Larval developmental rate, metabolic rate and future growth performance in Atlantic salmon
Serrano, J. V., Aberg, M., Gjoen, H. M., Steffensen, John Fleng & Hyglund, E., 2009, In: Comparative Biochemistry and Physiology A. 2, Suppl. 1, p. S140Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Muscle dynamics in fish during steady swimming
Shadwick, R., Steffensen, John Fleng, Katz, S. & Knower, T., 1998, In: Integrative and Comparative Biology. 38, 4, p. 755-770Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Blood pressure in the Greenland shark as estimated from ventral aortic elasticity
Shadwick, R. E., Bernal, D., Bushnell, P. G. & Steffensen, John Fleng, Oct 2018, In: Journal of Experimental Biology. 221, 19, p. 1-6 jeb186957.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The angular position of a refuge affects escape responses in staghorn sculpin Leptocottus armatus
Shi, X., Møller, J. S., Højgaard, J., Johansen, J. L., Steffensen, John Fleng, Liu, D. & Domenici, P., Jun 2017, In: Journal of Fish Biology. 90, 6, p. 2434-2442 9 p.Research output: Contribution to journal › Letter › Research › peer-review
- Published
Effect of ammonia on weatherloach (Misgurnus anguillicaudatus) metabolism under aquatic and aerial conditions
Silva, J. M., Coimbra, J., Steffensen, John Fleng & Wilson, J., 2008, In: Comparative Biochemistry and Physiology A. 150, 3, Supplement 1, p. S120 1 p., A6.21.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Fiskenes sekundære cirkulationssystem
Skov, P. V. & Steffensen, John Fleng, 2003, In: Naturens Verden. 10, p. 14-19Research output: Contribution to journal › Journal article › Communication
- Published
The role of adrenaline as a modulator of cardiac performance in two Antarctic fishes
Skov, P. V., Bushnell, P. G., Tirsgaard, B. & Steffensen, John Fleng, 2009, In: Polar Biology. 32, 2, p. 215-223Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Suckling behaviour in a viviparous teleost: role of the post-ovulatory follicle in matemal-embryonic exchange
Skov, P. V., Sørensen, T. & Steffensen, John Fleng, 2008, In: Comparative Biochemistry and Physiology A. 150, 3, Supplement, p. S122 1 p., A6.27.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Vascular arrangement and ultrastructure of the European eelpout Zoarces viviparus ovary: implications for maternal-embryonic exchange.
Skov, P. V., Sørensen, T. F., Ramløv, H. & Steffensen, John Fleng, 2007, In: Anatomical Record-Advances in Integrative Anatomy and Evolutionary Biology. 290, 12, p. 1500-7 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The role of adrenaline as a modulator of cardiac performance in three Notothenioid fishes
Skov, P. V., Bushnell, P., Tirsgaard, B. & Steffensen, John Fleng, 2008, In: Comparative Biochemistry and Physiology A. 150, 3, Supplement, p. S97-S98 2 p., A5.3.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Embryonic suckling and maternal specializations in the live-bearing teleost Zoarces viviparus
Skov, P. V., Steffensen, John Fleng, Sorensen, T. F. & Qvortrup, Klaus, 15 Nov 2010, In: Journal of Experimental Marine Biology and Ecology. 395, 1-2, p. 120-127 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The blood volumes of the primary and secondary circulatory system in the Atlantic cod, Gadus morhua L., using plasma bound Evans Blue and compartmental analysis.
Skov, P. V. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, p. 591-599 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effect of closed v. intermittent-flow respirometry on hypoxia tolerance in the shiner perch Cymatogaster aggregata
Snyder, S., Nadler, L. E., Bayley, J. S., Svendsen, M. B. S., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, 2016, In: Journal of Fish Biology. 88, 1, p. 252-264 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Swimming performance, venous oxygen tension and cardiac performance of coronary-ligated rainbow trout, Oncorhynchus mykiss, exposed to progressive hypoxia.
Steffensen, John Fleng & Farrell, A. P., 1998, In: Comparative Biochemistry and Physiology A. 119, 2, p. 585-92 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Energetic cost of active branchial ventilation in the sharksucker, Echeneis naucrates.
Steffensen, John Fleng & Lomholt, J. P., 1983, In: Journal of Experimental Biology. 103, p. 185-92 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The relative importance of skin oxygen uptake in the naturally buried plaice, Pleuronectes platessa, exposed to graded hypoxia.
Steffensen, John Fleng, Lomholt, J. P. & Johansen, K., 1981, In: Respiratory Physiology & Neurobiology. 44, 3, p. 269-75 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Cutaneous oxygen uptake and its relation to skin blood perfusion and ambient salinity in the plaice, Pleuronectes platessa.
Steffensen, John Fleng & Lomholt, J. P., 1985, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 81, 2, p. 373-5 2 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effect of burst swimming and adrenaline infusion on O2 consumption and CO2 excretion in rainbow trout, Salmo gairdneri.
Steffensen, John Fleng, Tufts, B. L. & Randall, D. J., 1987, In: Journal of Experimental Biology. 131, p. 427-34 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Physiology and behaviour of Atlantic cod (Gadus morhua) with different haemoglobin genotypes: the effect of hypoxia
Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S99Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Oxygen conditions in fish schools
Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S167Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Oxygen consumption in four species of teleosts from Greenland: no evidence of metabolic cold adaptation
Steffensen, John Fleng, Bushnell, P. G. & Schurmann, H., 1994, In: Polar Biology. 14, 1, p. 49-54Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effects of Environmental Hypoxia. In: Modeling Nutrient Loads and Response in River and Estuary Systems
Steffensen, John Fleng & Randall, D., 2005, NATO/CCMS Pilot Study. 271 ed. p. 32-37Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
- Published
Respiratory Systems and Metabolic Rates.
Steffensen, John Fleng, 2005, The Physiology of Polar Fishes. Farrell, A. & Steffesen, J. (eds.). 22 ed. Academic Press, p. 203-238 (Fish Physiology).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Fiskene i de danske farvande
Steffensen, John Fleng, 2006, HAVET: Naturen i Danmark. Fenchel, T. (ed.). Gyldendal, p. 255-310Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- Published
The effect of hypoxia on the preferred temperature of the rainbow trout, Oncorhynchus mykiss, and the Atlantic cod, Gadus morhua
Steffensen, John Fleng & Schurmann, H., 1992, In: Proc.12th Symp.Baltic Mar.Biol., Helsingør, Denmark. p. 157-162Research output: Contribution to journal › Conference article › Research › peer-review
- Published
Ventilatory and respiratory responses in fish: adaptations to environment
Steffensen, John Fleng, 1992, The Vertebrate Gas Transport Cascade: Adaptations to the environment and Mode of Life. CRC Press, p. 60-71Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
The secondary vascular system
Steffensen, John Fleng & Lomholt, J. P., 1992, Fish Physiol., XIIA. Academic Press, p. 185-217Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Oxygen consumption of East Siberan cod: no support for the metabolic cod adaptation theory
Steffensen, John Fleng, Jordan, A. D. & Jungersen, M., 2001, In: Journal of Fish Biology. 59, p. 818-823Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Oxygen consumption of fish exposed to hypoxia: Are they all oxyregulators or are any oxyconformers?
Steffensen, John Fleng, 2007, Fish Physiology, Toxicology, and Water Quality: Proceedings of the Ninth International Symposium, Capri, Italy, April 24-28, 2006. Brauner, C. J., Suvajdzic, K., Nilsson, G. & Randall, D. (eds.). Ecosystems Research Divison Athens, Georgia, p. 239-244Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
SWISTRACK - AN OPEN SOURCE, SOFTWARE PACKAGE APPLICABLE TO TRACKING OF FISH LOCOMOTION AND BEHAVIOUR.
Steffensen, John Fleng, 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
ENERGETIC EXTREMES IN REEF FISH OCCUPYING HARSH HABITATS
Steffensen, John Fleng, 2009.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Fish positions relative to neighbours modulate the hydrodynamic advantages of schooling
Steffensen, John Fleng, 2012.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
A MODEL OF OXYGEN CONDITIONS IN A SCHOOL OF FISH BASED ON EXPERIMENTAL RESPIROMETRY
Steffensen, John Fleng, 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
AquaResp® - free open-source software for measuring oxygen consumption of resting aquatic animals
Steffensen, John Fleng, 2012.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Partition of aerobic and anaerobic swimming costs and their correlation to tail-beat frequency and burst activity in Sparus aurata
Steffensen, John Fleng, 2012.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
RELATION BETWEEN STRESS COPING STYLE, LARVAL DEVELOPMENT AND TIME TO EMERGANCE IN RAINBOW TROUT (ONCORHYNCHUS MYKISS)
Steffensen, John Fleng, 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Fast-starting for a breath: Air breathing in Hoplosternum littorale
Steffensen, John Fleng, 2012. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Metabolic cold adaptation of polar fish based on measurements of aerobic oxygen consumption: fact or artefact? Artefact!
Steffensen, John Fleng, 2002, In: Comparative Biochemistry and Physiology A. 132, 4, p. 789-95 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
ENERGETIC EXTREMES IN A HOSTILE HABITAT: FISH LOCOMOTION ON WAVE-SWEPT CORAL REEFS
Steffensen, John Fleng, 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Komparative studier af hvid- og rødblodede antarktiske fisks fysiologi og kardiovasculære anatomi.
Steffensen, John Fleng, 2008, Dansk Ekspeditionsfond - Galathea 3 2006-2007. 1. ed. Dansk Ekspeditionsfond Galathea 3 og Thaning & Appel, p. 200-204Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- Published
Energetics of swimming of schooling fish
Steffensen, John Fleng, 2012.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
In vivo near real time imaging of oxygen partial pressures in the glass catfish (Kryptopterus bichirris)
Steffensen, John Fleng, 2012.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
The whole blood oxygen binding properties of a large but presumably sluggish polar elasmobranch, the Greenland shark Somniosus microcephalus
Steffensen, John Fleng, 2012.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
DIFFERENCES IN POST HATCH METABOLIC RATE AND DEVELOPMENTAL RATE IN ATLANTIC SALMON (SALMO SALAR L): EVIDENCE FOR COMPENSATORY GROWTH?
Steffensen, John Fleng, 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Variation in oxygen consumption and temperature preference of Atlantic cod, Gadus morhua, from Denmark and Greenland
Steffensen, John Fleng, 2008, In: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology. 150, 3, Supplement, p. S206-S207Research output: Contribution to journal › Conference abstract in journal › Research
- Published
THE EFFECT OF HYPOXIA ON THE MAXIMUM MATABOLIC RATE AND SPECIFIC DYNAMIC ACTION IN ATLANTIC COD Gadus morhua.
Steffensen, John Fleng, 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Comparison of metabolic rate during forced and spontaneous activity of seabream (Sparus aurata)
Steinhausen, M. F. & Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S213Research output: Contribution to journal › Conference abstract in journal › Research
- Published
The effect of external dummy transmitters on oxygen consumption and performance of swimming Atlantic cod
Steinhausen, M. F., Andersen, N. G. & Steffensen, John Fleng, 2006, In: Journal of Fish Biology. 69, p. 951-956Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Tail beat frequency as a predictor of swimming speed and oxygen consumption of saithe (Pollachius virens) and whiting (Merlangius merlangus) during forced swimming.
Steinhausen, M. F., Steffensen, John Fleng & Andersen, N. G., 2005, In: Marine Biology. 148, p. 197-204Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The effects of swimming pattern on the energy use of gilthead seabream (Sparus aurata L.)
Steinhausen, M. F., Steffensen, John Fleng & Andersen, N. G., 2010, In: Marine and Freshwater Behaviour and Physiology. 43, 4, p. 227-241Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The relationship between caudal differential pressure and activity of Atlantic cod: a potential method to predict oxygen consumption of free-swimming fish
Steinhausen, M. F., Steffensen, John Fleng & Andersen, N. G., 2007, In: Journal of Fish Biology. 71, p. 957-969Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Intra-school positional preference and reduced tail beat frequency in trailing positions in schooling roach under experimental conditions
Svendsen, J. C., Skov, J., Bildsøe, M. & Steffensen, John Fleng, 2003, In: Journal of Fish Biology. 62, 4, p. 834-846 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Partition of aerobic and anaerobic swimming costs related to gait transitions in a labriform swimmer
Svendsen, J. C., Tudorache, C., Jordan, A. D., Steffensen, John Fleng, Aarestrup, K. & Domenici, P., 2010, In: Journal of Experimental Biology. 213, Pt 13, p. 2177-83 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A Novel Acoustic Dissolved Oxygen Transmitter for Fish Telemetry
Svendsen, J. C., Aarestrup, K., Steffensen, John Fleng & Herskin, J., 2006, In: Marine Technology Society Journal. 40, 1, p. 103-108Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Intraspecific variation in aerobic and anaerobic locomotion: gilthead sea bream (Sparus aurata) and Trinidadian guppy (Poecilia reticulata) do not exhibit a trade-off between maximum sustained swimming speed and minimum cost of transport
Svendsen, J. C., Tirsgård, B., Cordero, G. A. & Steffensen, John Fleng, 2015, In: Frontiers in Physiology. 6, 12 p., 43.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Partition of aerobic and anaerobic swimming costs related to gait transitions in a labriform fish
Svendsen, J. C., Tudorache, C., Jordan, A. D., Steffensen, John Fleng, Aarestrup, K. & Domenici, P., 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Effects of intraspecific variation in reproductive traits, pectoral fin use and burst swimming on metabolic rates and swimming performance in the Trinidadian guppy (Poecilia reticulata)
Svendsen, J. C., Banet, A. I., Christensen, R. H. B., Steffensen, John Fleng & Aarestrup, K., 2013, In: Journal of Experimental Biology. 216, 18, p. 3564-3574 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Excess posthypoxic oxygen consumption in rainbow trout (Oncorhynchus mykiss): recovery in normoxia and hypoxia
Svendsen, J. C., Steffensen, John Fleng, Aarestrup, K., Frisk, M., Etzerodt, A. & Jyde, M., 2012, In: Canadian Journal of Zoology. 90, 1, p. 1-11 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
To scale or not to scale: a perspective on describing fish energy budgeting
Svendsen, M. B. S., Christensen, E. A. F. & Steffensen, John Fleng, 1 Jan 2017, In: Conservation Physiology. 5, 1, 10 p., cox056.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sources of variation in oxygen consumption of aquatic animals demonstrated by simulated constant oxygen consumption and respirometers of different sizes
Svendsen, M. B. S., Bushnell, P. G., Christensen, E. A. F. & Steffensen, John Fleng, 2016, In: Journal of Fish Biology. 88, 1, p. 51-64 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Are all bony fishes oxygen regulators? Evidence for oxygen regulation in a putative oxygen conformer, the swamp eel Synbranchus marmoratus
Svendsen, M. B. S., Johansen, J. L., Bushnell, P. G., Skov, P. V., Norin, T., Domenici, P., Steffensen, John Fleng & Abe, A., 2019, In: Journal of Fish Biology. 94, 1, p. 178-182Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effects of harmful algal blooms on fish: insights from Prymnesium parvum
Svendsen, M. B. S., Andersen, N. G., Hansen, Per Juel & Steffensen, John Fleng, 2018, In: Fishes. 3, 1, 12 p., 11.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Design and setup of intermittent-flow respirometry system for aquatic organisms
Svendsen, M. B. S., Bushnell, P. G. & Steffensen, John Fleng, 2016, In: Journal of Fish Biology. 88, 1, p. 26-50 25 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Maximum swimming speeds of sailfish and three other large marine predatory fish species based on muscle contraction time and stride length: a myth revisited
Svendsen, M. B. S., Domenici, P., Marras, S., Krause, J., Boswell, K. M., Rodriguez-Pinto, I., Wilson, A. D. M., Kurvers, R. H. J. M., Viblanc, P. E., Finger, J. S. & Steffensen, John Fleng, 2016, In: Biology Open. 5, 10, p. 1415-1419 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prolonged SDA and reduced digestive efficiency under elevated CO2 may explain reduced growth in Atlantic cod (Gadus morhua)
Tirsgård, B., Moran, D. & Steffensen, John Fleng, 2015, In: Aquatic Toxicology. 158, p. 171-180 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The effect of temperature and body size on metabolic scope of activity in juvenile Atlantic cod Gadus morhua L.
Tirsgård, B., Behrens, J. W. & Steffensen, John Fleng, 2015, In: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology. 179, p. 89-94 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effects of temperature on specific dynamic action in Atlantic cod Gadus morhua
Tirsgård, B., Svendsen, J. C. & Steffensen, John Fleng, 2015, In: Fish Physiology & Biochemistry. 41, 1, p. 41-50 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Pectoral fin beat frequency predicts oxygen consumption during spontaneous activity in a labriform swimming fish (Embiotoca lateralis)
Tudorache, C., Jordan, Anders Drud, Svendsen, J. C., Domenici, P., DeBoeck, G. & Steffensen, John Fleng, 2009, In: Environmental Biology of Fishes. 84, p. 121-127 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Ion exchange mechanisms on the erythrocyte membrane of the aquatic salamander, Amphiuma tridactylum.
Tufts, B. L., Nikinmaa, M., Steffensen, John Fleng & Randall, D. J., 1987, In: Journal of Experimental Biology. 133, p. 329-38 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Primary versus secondary drivers of foraging activity in sandeel schools (Ammodytes tobianus)
Van Deurs, M. S. K., Behrens, J. W., Warnar, T. & Steffensen, John Fleng, 2011, In: Marine Biology. 158, 8, p. 1781-1789 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Flight cost and economy of nectar-feeding in tha bat Glossophage soricina (Phyllostomidae: Glossophaginae)
Winter, Y., von Helversen, O., Norgerg, U. M., Kunz, T. H. & Steffensen, John Fleng, 1993, Plant-animal interactions in tropical enviroments. Bonn: Museum Alexander Koenig, p. 167-174Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Critical threshold size for overwintering sandeels (Ammodytes marinus)
van Deurs, M., Hartvig, M. & Steffensen, John Fleng, 1 Dec 2011, In: Marine Biology. 158, 12, p. 2755-2764 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Turbulent flow reduces oxygen consumption in the labriform swimming shiner perch, Cymatogaster aggregata
van der Hoop, J. M., Byron, M. L., Ozolina, K., Miller, D. L., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, 2018, In: Journal of Experimental Biology. 221, 11, p. 1-11 jeb168773.Research output: Contribution to journal › Journal article › Research › peer-review
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Embryonic suckling and maternal specializations in the live-bearing teleost Zoarces viviparus
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Published -
1732
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Fast-starting after a breath: air-breathing motions are kinematically similar to escape responses in the catfish Hoplosternum littorale
Research output: Contribution to journal › Journal article › Research › peer-review
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1673
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Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla)
Research output: Contribution to journal › Journal article › Research › peer-review
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