Lacunae rostralis: A new structure on the rostrum of sailfish Istiophorus platypterus

Research 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, Jan; Hansen, Matthew J.; Pacher, Korbinian; Dhellemmes, Félicie; Domenici, Paolo; Steffensen, John F.; Breuker, Michael; Krause, Stefan; Hildebrandt, Thomas B.; Fritsch, Guido; Bach, Pascal; Sabarros, Philippe S.; Zaslansky, Paul; Mahlow, Kristin; Schauer, Maria; Müller, Johannes; Krause, Jens.

In: Journal of Fish Biology, Vol. 100, No. 5, 2022, p. 1205-1213.

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

Harvard

Häge, J, Hansen, MJ, Pacher, K, Dhellemmes, F, Domenici, P, Steffensen, JF, Breuker, M, Krause, S, Hildebrandt, TB, Fritsch, G, Bach, P, Sabarros, PS, Zaslansky, P, Mahlow, K, Schauer, M, Müller, J & Krause, J 2022, 'Lacunae rostralis: A new structure on the rostrum of sailfish Istiophorus platypterus', Journal of Fish Biology, vol. 100, no. 5, pp. 1205-1213. https://doi.org/10.1111/jfb.15018

APA

Häge, J., Hansen, M. J., Pacher, K., Dhellemmes, F., Domenici, P., Steffensen, J. F., 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). Lacunae rostralis: A new structure on the rostrum of sailfish Istiophorus platypterus. Journal of Fish Biology, 100(5), 1205-1213. https://doi.org/10.1111/jfb.15018

Vancouver

Häge J, Hansen MJ, Pacher K, Dhellemmes F, Domenici P, Steffensen JF et al. Lacunae rostralis: A new structure on the rostrum of sailfish Istiophorus platypterus. Journal of Fish Biology. 2022;100(5):1205-1213. https://doi.org/10.1111/jfb.15018

Author

Häge, Jan ; Hansen, Matthew J. ; Pacher, Korbinian ; Dhellemmes, Félicie ; Domenici, Paolo ; Steffensen, John F. ; Breuker, Michael ; Krause, Stefan ; Hildebrandt, Thomas B. ; Fritsch, Guido ; Bach, Pascal ; Sabarros, Philippe S. ; Zaslansky, Paul ; Mahlow, Kristin ; Schauer, Maria ; Müller, Johannes ; Krause, Jens. / Lacunae rostralis : A new structure on the rostrum of sailfish Istiophorus platypterus. In: Journal of Fish Biology. 2022 ; Vol. 100, No. 5. pp. 1205-1213.

Bibtex

@article{19611d1dc7db48fe915d577d4280b58c,
title = "Lacunae rostralis: A new structure on the rostrum of sailfish Istiophorus platypterus",
abstract = "Recent comparative studies of billfishes (Istiophoridae and Xiphiidae) have provided evidence of differences in the form and function of the rostra (bill) among species. Here, we report the discovery of a new structure, lacuna rostralis, on the rostra of sailfish Istiophorus platypterus, which is absent on the rostra of swordfish Xiphias gladius, striped marlin Kajikia audax and blue marlin Makaira nigricans. The lacunae rostralis are small cavities that contain teeth. They were found on the ventral rostrum surface of all I. platypterus specimens examined and dorsally in half of them. Ventrally, the lacunae rostralis were most prominent in the mid-section of the rostrum. Dorsally, they occurred closer to the tip. The density of lacunae rostralis increased towards the rostrum tip but, because they are smaller in size, the percentage of rostrum coverage decreased. The teeth located within the lacunae rostralis were found to be different in size, location and orientation from the previously identified micro-teeth of billfish. We propose two potential functions of the lacunae rostralis that both relate to the use of the bill in feeding: mechanoreception of prey before tapping it with the bill and more efficient prey handling via the creation of suction, or physical grip.",
keywords = "billfishes, lacunae rostralis, prey-handling, rostrum, sailfish",
author = "Jan H{\"a}ge and Hansen, {Matthew J.} and Korbinian Pacher and F{\'e}licie Dhellemmes and Paolo Domenici and Steffensen, {John F.} and Michael Breuker and Stefan Krause and Hildebrandt, {Thomas B.} and Guido Fritsch and Pascal Bach and Sabarros, {Philippe S.} and Paul Zaslansky and Kristin Mahlow and Maria Schauer and Johannes M{\"u}ller and Jens Krause",
note = "Publisher Copyright: {\textcopyright} 2022 The Authors. Journal of Fish Biology published by John Wiley & Sons Ltd on behalf of Fisheries Society of the British Isles.",
year = "2022",
doi = "10.1111/jfb.15018",
language = "English",
volume = "100",
pages = "1205--1213",
journal = "Journal of Fish Biology",
issn = "0022-1112",
publisher = "Wiley-Blackwell",
number = "5",

}

RIS

TY - JOUR

T1 - Lacunae rostralis

T2 - A new structure on the rostrum of sailfish Istiophorus platypterus

AU - Häge, Jan

AU - Hansen, Matthew J.

AU - Pacher, Korbinian

AU - Dhellemmes, Félicie

AU - Domenici, Paolo

AU - Steffensen, John F.

AU - Breuker, Michael

AU - Krause, Stefan

AU - Hildebrandt, Thomas B.

AU - Fritsch, Guido

AU - Bach, Pascal

AU - Sabarros, Philippe S.

AU - Zaslansky, Paul

AU - Mahlow, Kristin

AU - Schauer, Maria

AU - Müller, Johannes

AU - Krause, Jens

N1 - Publisher Copyright: © 2022 The Authors. Journal of Fish Biology published by John Wiley & Sons Ltd on behalf of Fisheries Society of the British Isles.

PY - 2022

Y1 - 2022

N2 - Recent comparative studies of billfishes (Istiophoridae and Xiphiidae) have provided evidence of differences in the form and function of the rostra (bill) among species. Here, we report the discovery of a new structure, lacuna rostralis, on the rostra of sailfish Istiophorus platypterus, which is absent on the rostra of swordfish Xiphias gladius, striped marlin Kajikia audax and blue marlin Makaira nigricans. The lacunae rostralis are small cavities that contain teeth. They were found on the ventral rostrum surface of all I. platypterus specimens examined and dorsally in half of them. Ventrally, the lacunae rostralis were most prominent in the mid-section of the rostrum. Dorsally, they occurred closer to the tip. The density of lacunae rostralis increased towards the rostrum tip but, because they are smaller in size, the percentage of rostrum coverage decreased. The teeth located within the lacunae rostralis were found to be different in size, location and orientation from the previously identified micro-teeth of billfish. We propose two potential functions of the lacunae rostralis that both relate to the use of the bill in feeding: mechanoreception of prey before tapping it with the bill and more efficient prey handling via the creation of suction, or physical grip.

AB - Recent comparative studies of billfishes (Istiophoridae and Xiphiidae) have provided evidence of differences in the form and function of the rostra (bill) among species. Here, we report the discovery of a new structure, lacuna rostralis, on the rostra of sailfish Istiophorus platypterus, which is absent on the rostra of swordfish Xiphias gladius, striped marlin Kajikia audax and blue marlin Makaira nigricans. The lacunae rostralis are small cavities that contain teeth. They were found on the ventral rostrum surface of all I. platypterus specimens examined and dorsally in half of them. Ventrally, the lacunae rostralis were most prominent in the mid-section of the rostrum. Dorsally, they occurred closer to the tip. The density of lacunae rostralis increased towards the rostrum tip but, because they are smaller in size, the percentage of rostrum coverage decreased. The teeth located within the lacunae rostralis were found to be different in size, location and orientation from the previously identified micro-teeth of billfish. We propose two potential functions of the lacunae rostralis that both relate to the use of the bill in feeding: mechanoreception of prey before tapping it with the bill and more efficient prey handling via the creation of suction, or physical grip.

KW - billfishes

KW - lacunae rostralis

KW - prey-handling

KW - rostrum

KW - sailfish

U2 - 10.1111/jfb.15018

DO - 10.1111/jfb.15018

M3 - Journal article

C2 - 35194781

AN - SCOPUS:85125857581

VL - 100

SP - 1205

EP - 1213

JO - Journal of Fish Biology

JF - Journal of Fish Biology

SN - 0022-1112

IS - 5

ER -

ID: 304458426