Hydraulic control of tuna fins: A role for the lymphatic system in vertebrate locomotion | Zendy

Vadim Pavlov | Zendy; Benyamin Rosental | Zendy; Nathaniel F. Hansen | Zendy; Jody M. Beers | Zendy; George R. Parish | Zendy; Ian Rowbotham | Zendy; Barbara A. Block | Zendy

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Hydraulic control of tuna fins: A role for the lymphatic system in vertebrate locomotion

Author(s) -

Vadim Pavlov,

Benyamin Rosental,

Nathaniel F. Hansen,

Jody M. Beers,

George R. Parish,

Ian Rowbotham,

Barbara A. Block

Publication year - 2017

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.aak9607

Subject(s) - fish fin , lymphatic system , dorsal fin , vertebrate , tuna , biology , fish <actinopterygii> , dorsum , anatomy , fishery , immunology , biochemistry , gene

The lymphatic system in teleost fish has genetic and developmental origins similar to those of the mammalian lymphatic system, which is involved in immune response and fluid homeostasis. Here, we show that the lymphatic system of tunas functions in swimming hydrodynamics. Specifically, a musculo-vascular complex, consisting of fin muscles, bones, and lymphatic vessels, is involved in the hydraulic control of median fins. This specialization of the lymphatic system is associated with fish in the family Scombridae and may have evolved in response to the demand for swimming and maneuvering control in these high-performance species.

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