Ck 12: Life Science: Cartilaginous Fish

[Free Registration/Login may be required to access all resource tools.] Cartilaginous fish range in size from the dwarf lanternshark, at 6.3 inches, to the 50-foot whale shark. These fish have a jaw and evolved from the jawless fish. Such an adaptation allowed them to eat a much wider variety of food, including plants and other organisms. Learn more about cartilaginous fish in this learning module produced by CK-12.