Fishionary

A blog about fish words!

By Abigail Lynch

A blog about fish words!

Osteichthyes

November 6, 2015 by abby
The Ocean Sunfish is considered to be the largest member of Osteichthyes, reaching over 2,200 lbs.

The Ocean Sunfish is considered to be the largest member of Osteichthyes, reaching over 2,200 lbs.

Osteichthyes are a taxonomic grouping of bony fishes.  This group includes ray-finned fishes (class: Actinopterygii) and lobe-finned fishes (class: Sarcopterygii).  This highly diverse group of fishes, which contains almost all fish species, is the most diverse group of vertebrates today.  Osteichthyes differ from chondrichthyes by (in most cases) possessing a bony skeleton, a swim bladder, scales (ctenoid, cycloid, or ganoid scales), and external fertilization.

Posted in: O Tagged: chondrichthyes, ctenoid, cycloid, ganoid, osteichthyes, scales, swim bladder, teleost

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