Tuna fins have hydraulic steering | Science News

2,588 views · Published 31 July 2017 · 0:56 · Indexed 20 September 2026

Channel: Science News · 2017 · Science & Technology

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Lymph changes the shape of a tuna’s fins as they dart through the water. Tunas are the first vertebrates known to use lymph in locomotion. Read more: http://ow.ly/Gny030e38sf

CREDITS
Story 
Susan Milius

Production
Helen Thompson

Video
Barbara Block, Stanford University: https://www.stanfordblocklab.org/
Monterey Bay Aquarium 
V. Pavlov et al/Science 2017

Images
World Register of Marine Species (CC BY-NC-SA 4.0)
Hans Hillewaert/Wikimedia Commons (CC BY-SA 4.0)

Music
“The Aquarium” by Camille Saint-Saens
Seattle Youth Symphony/MusOpen (CC BY-SA 3.0)
https://creativecommons.org/licenses/by-sa/3.0/ 
https://musopen.org/music/2446/camille-saint-saens/the-carnival-of-the-animals/ 

Citation
V. Pavlov et al. Hydraulic control of tuna fins: A role for the lymphatic system in vertebrate locomotion. Science. Vol. 357, July 21, 2017, p. 310. doi: 10.1126/science.aak9607

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