Fishionary

A blog about fish words!

By Abigail Lynch

A blog about fish words!

caudal peduncle

Teleost

September 12, 2014 by abby Leave a Comment

Teleosts are the most diverse group of fishes (over 26,500 extant species).  Over half of all living vertebrate species are teleosts.  Teleosts are characterized by a protrusible jaw (musculature gives them the ability to move their maxilla and premaxilla) and a symmetrical tail (their spine that ends at the caudal peduncle unlike, for example, sharks).  Teleosts … [Read more…]

Posted in: T Tagged: caudal peduncle, protrusible jaw, teleost

Caudal peduncle

August 22, 2014 by abby Leave a Comment

The caudal peduncle is the tapered region behind the dorsal and anal fins where the caudal fin attaches to the body.  The depth of the caudal peduncle, which is measured at its narrowest point, gives some indication of the power of a fish and the speed at which it can swim.  For example, ambush predators, … [Read more…]

Posted in: C Tagged: caudal peduncle

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