John Fleng Steffensen

John Fleng Steffensen

Professor

ORCID: 0000-0002-4477-8039

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  1. 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. 193-200

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. 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

  3. 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. 103-108

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. 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., 2023, (E-pub ahead of print) In: Journal of Fish Biology.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. 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

  6. Published

    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

  7. 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

  8. Published

    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

  9. Published

    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

  10. 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

  11. Published

    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. 73-79

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    An automated swimming respirometer

    Steffensen, John Fleng, JOHANSEN, K. & BUSHNELL, P., 1984, In: Comparative Biochemistry and Physiology A. 79, 3, p. 437-440

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. 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

  14. 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. 178-182

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. 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

  16. Published

    BLOOD-OXYGEN TRANSPORT IN THE LEMON SHARK

    BUSHNELL, P., Steffensen, John Fleng, LUTZ, P. & OIKARI, A., 1981, In: FEDERATION PROCEEDINGS. 3, p. 431-431

    Research output: Contribution to journal › Conference article › Research › peer-review

  17. 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

  18. 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

  19. Published

    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

  20. Published

    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. 647-654

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. 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

  22. Published

    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

  23. 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

  24. Published

    Cod could face a breathless future: Inside JEB

    Petersen, M. F. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, p. 211

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. 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. S213

    Research output: Contribution to journal › Conference abstract in journal › Research

  26. 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, Steffensen, John Fleng, Svendsen, J. C., Svendsen, M. B. S., Teal, L. R., van der Meer, J., Wang, T., Wilson, J. M., Wilson, R. W. & Metcalfe, J. D., 2016, In: Conservation Physiology. 4, 1, 20 p., cow046.

    Research output: Contribution to journal › Review › Research › peer-review

  27. 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

  28. 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. 273-281

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    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

  30. 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

  31. 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

  32. 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

  33. Published

    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

  34. 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

  35. 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

  36. 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

  37. 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

  38. Published

    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. 365-370

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. 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. 411-416

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. 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

  41. Published

    ENERGETIC EXTREMES IN REEF FISH OCCUPYING HARSH HABITATS

    Steffensen, John Fleng, 2009.

    Research output: Contribution to conference › Conference abstract for conference › Research

  42. 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

  43. 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

  44. 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

  45. 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

  46. 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. 32-37

    Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research

  47. 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

  48. 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. 341-355

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. 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. 281-296

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    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. 1174-1179

    Research output: Contribution to journal › Journal article › Research › peer-review

  51. 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. 398-409

    Research output: Contribution to journal › Journal article › Research › peer-review

  52. 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

  53. 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

  54. Published

    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

  55. 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

  56. Published

    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

  57. 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

  58. 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. 1166-1180

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. 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

  60. 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

  61. Published

    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

  62. 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

  63. Published

    Energetics of swimming of schooling fish

    Steffensen, John Fleng, 2012.

    Research output: Contribution to conference › Conference abstract for conference › Research

  64. Published

    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. 366-376

    Research output: Contribution to journal › Journal article › Research › peer-review

  65. Published

    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

  66. Published

    Escape performance in three teleosts from West Greenland

    Jordan, Anders Drud, Steffensen, John Fleng & Herbert, N. A., 2004, In: Polar Biology. 28, p. 164-167

    Research output: Contribution to journal › Journal article › Research › peer-review

  67. 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

  68. 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

  69. Published

    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

  70. Published

    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

  71. 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

  72. Published

    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. 43-48

    Research output: Contribution to journal › Journal article › Research › peer-review

  73. 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

  74. Published

    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

  75. 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

  76. 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

  77. 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

  78. Published

    Fisk foretrækker lavere temperatur under iltsvind

    Schurmann, H. & Steffensen, John Fleng, 1991, In: Vand & Miljø. 9, p. 434-437

    Research output: Contribution to journal › Journal article › Communication

  79. Published

    Fiskene i de danske farvande

    Steffensen, John Fleng, 2006, HAVET: Naturen i Danmark. Fenchel, T. (ed.). Gyldendal, p. 255-310

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication

  80. Published

    Fiskenes sekundære cirkulationssystem

    Skov, P. V. & Steffensen, John Fleng, 2003, In: Naturens Verden. 10, p. 14-19

    Research output: Contribution to journal › Journal article › Communication

  81. 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. 167-174

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  82. 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

  83. Published

    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. 1612-1625

    Research output: Contribution to journal › Journal article › Research › peer-review

  84. 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. 157-164

    Research output: Contribution to journal › Journal article › Research › peer-review

  85. 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

  86. 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. 531

    Research output: Contribution to journal › Conference abstract in journal › Research

  87. 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. 44-52

    Research output: Contribution to journal › Journal article › Research › peer-review

  88. 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

  89. Published

    Har fisk et lymfekarsystem?

    Lomholt, J. P. & Steffensen, John Fleng, 1992, In: Naturens Verden. 1, p. 15-21

    Research output: Contribution to journal › Journal article › Communication

  90. Published

    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

  91. 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

  92. Published

    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. 1217-1225

    Research output: Contribution to journal › Journal article › Research › peer-review

  93. 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

  94. Published

    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

  95. 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

  96. Published

    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. 41-47

    Research output: Contribution to journal › Journal article › Research › peer-review

  97. Published

    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

  98. 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

  99. Published

    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

  100. 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

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