Osteichthyes“Bony Fish”

os-t-ick-the-isBy Nathan Morin and Mike D

General InformationThe vast majority of fish are osteichthyes,

which is an extremely diverse and abundant group consisting of over 29,000 species. It is the largest class of vertebrates in existence today. Osteichthyes is divided into the ray-finned fish Actinopterygii and lobe-finned fish Sarcopterygii. Both live in freshwater and saltwater.

Sarcopterygii

Actinopterygii

External Anatomy

Internal Anatomy

Structure Have a bilateral symmetryHave a calcium phosphate endoskeleton.

Article http://www.sciencedaily.com/releases/2010/09

/100914171325.htm

Bibliography AP Edition Biology Eighth EditionGoogle Imageshttp://

www.newworldencyclopedia.org/entry/Osteichthyes