Comparative punting kinematics and pelvic fin musculature of benthic batoids

Journal of Morphology
Laura J Macesic, Stephen M Kajiura

Abstract

Although the majority of batoid elasmobranchs, skates and rays, are benthically associated, benthic locomotion has been largely overlooked in this group. Only skates have been previously described to perform a form of benthic locomotion termed "punting." While keeping the rest of the body motionless, the skate's pelvic fins are planted into the substrate and then retracted caudally, which thrusts the body forward. In this study, we demonstrate that this form of locomotion is not confined to the skates, but is found across a range of phylogenetically and morphologically diverse batoid species. However, only the clearnose skate, Raja eglanteria, and the lesser electric ray, Narcine brasiliensis, performed "true punting," in which only the pelvic fins were engaged. The yellow stingray, Urobatis jamaicensis, and the Atlantic stingray, Dasyatis sabina, performed "augmented punting," in which pectoral fin movement was also used to generate thrust. Despite this supplemental use of pectoral fins, the augmented punters failed to exceed the punting capabilities of the true punters. The urobatid and the true punters all punted approximately half their disc length per punt, whereas the dasyatid punted a significantly shorter distance. The ...Continue Reading

References

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Aug 5, 2009·Zoology : Analysis of Complex Systems, ZACS·Laura J Macesic, Stephen M Kajiura
Sep 15, 2009·The Journal of Experimental Biology·Laura K JordanMalcolm S Gordon

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Citations

Dec 14, 2011·Proceedings of the National Academy of Sciences of the United States of America·Heather M KingMelina E Hale
Jan 23, 2014·Proceedings of the National Academy of Sciences of the United States of America·Neil H ShubinFarish A Jenkins
Oct 22, 2013·Journal of Morphology·Laura J Ekstrom, Stephen M Kajiura
Feb 25, 2015·Developmental Cell·Heekyung Jung, Jeremy S Dasen
Dec 15, 2016·The Journal of Experimental Biology·Valentina Di SantoGeorge V Lauder
Mar 29, 2014·Bioinspiration & Biomimetics·Daniel B QuinnAlexander J Smits
Mar 3, 2019·Journal of Behavioral Medicine·Alan J Christensen
Jan 16, 2013·Bioinspiration & Biomimetics·Erin Blevins, George V Lauder
Jan 14, 2021·Journal of the Royal Society, Interface·F Giardina, L Mahadevan
Nov 6, 2020·Journal of Anatomy·João Paulo Capretz Batista da SilvaRicardo de Souza Rosa
Jun 15, 2019·Integrative Organismal Biology·C M MartinezP C Wainwright
May 25, 2012·The Journal of Experimental Biology·Laura J Macesic, Adam P Summers
Aug 13, 2011·The Journal of Experimental Biology·Hannah G RosenblumMarianne E Porter

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