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Paired fins

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(Zool.) the pectoral and ventral fins, corresponding to the fore and hind legs of the higher animals.
(Zool.) See under Fin.

See also: Fin Pair



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The notorious round goby, for example, which has invaded the Great Lakes and is now moving to inland lakes, is easily recognized by its lower paired fins that are attached to form a disc--a characteristic not found in any of Ontario's native fishes.
4): body pale olive-brown, lighter brown to silvery ventrally; unpaired and paired fins hyaline; iris golden, with faint black vertical bar through center of eye.
These animals, which lived during the Devonian period about 365 million years ago, were among the earliest vertebrates (backboned animals) with fore- and hindlimbs rather than paired fins.
 
 
 
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