CK-12 Foundation
Ck 12: Biology: Fish Classification
[Free Registration/Login may be required to access all resource tools.] Discusses how fish are classified.
CK-12 Foundation
Ck 12: Life Science: Bony Fish
[Free Registration/Login may be required to access all resource tools.] There are almost 27,000 species of bony fish, which are divided into two classes: ray-finned fish and lobe-finned fish. Most bony fish are ray-finned. These thin...
Canadian Museum of Nature
Canadian Museum of Nature: Lobe Finned Fishes
The Canadian Museum of Nature looks at lobe-finned fishes who possessed lungs and gills and was able to use its gills as a form of feet.
CK-12 Foundation
Ck 12: Biology: Fish Classification
[Free Registration/Login may be required to access all resource tools.] Discusses how fish are classified.