Paddlefish Jesse Russell

ISBN: 9785511999715

Published: June 28th 2012

Paperback

124 pages


Description

Paddlefish  by  Jesse Russell

Paddlefish by Jesse Russell
June 28th 2012 | Paperback | PDF, EPUB, FB2, DjVu, talking book, mp3, ZIP | 124 pages | ISBN: 9785511999715 | 7.58 Mb

High Quality Content by WIKIPEDIA articles! Paddlefish (family Polyodontidae) are primitive Chondrostean ray-finned fishes. The paddlefish can be distinguished by its large mouth and its elongated, spatula-like snout, called a rostrum, which isMoreHigh Quality Content by WIKIPEDIA articles! Paddlefish (family Polyodontidae) are primitive Chondrostean ray-finned fishes. The paddlefish can be distinguished by its large mouth and its elongated, spatula-like snout, called a rostrum, which is longer than the rest of the head.

These fish are not closely related to sharks, which are in a different taxonomic class, but they do have some body parts that resemble those of sharks such as their skeletons, primarily composed of cartilage, and their deeply forked heterocercal tail fins. This type of fishs age is hard to determine but many scientists think that they live 50 years or more.



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