How are fishes classified based on the composition of endoskeleton? Give

example.

1 Answer

Answer :

Based on the composition of exoskeleton, fishes are classified into:

a) Cartilaginous fishes – containing only cartilage in endoskeleton. Ex: Shark and ray fish

b) Bony fishes – endoskeleton composed of bones Ex: Hippocampus, Carp etc.

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