4.4 Article

The functional role of the caudal fin in the feeding ecology of the common thresher shark Alopias vulpinus

Journal

JOURNAL OF FISH BIOLOGY
Volume 76, Issue 7, Pages 1863-1868

Publisher

WILEY-BLACKWELL
DOI: 10.1111/j.1095-8649.2010.02616.x

Keywords

Alopiidae; behaviour; prey

Funding

  1. National Science Foundation [IOS-0617384, IOS-0617403]
  2. George T. Pfleger Foundation
  3. William H. and Mattie Wattis Harris Foundation
  4. National Oceanic and Atmospheric Administration

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This study tests the hypothesis that the common thresher shark Alopias vulpinus uses its elongate caudal fin to both produce thrust and immobilize prey during feeding. Underwater video recorded in southern California from 2007 to 2009 revealed 34 feeding events, all of which were initiated with the upper lobe of the caudal fin. (C) 2010 The Authors Journal compilation (C) 2010 The Fisheries Society of the British Isles

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