Give two differences between bony fish and cartilaginous fish

CBSE Class 9 CBSE Class 9 Science
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1

Give two differences between bony fish and cartilaginous fish. Give one example of each.

2

Differences between bony fish and cartilaginous fish are as follows:
Bony Fish:
1.Body has bony endoskeleton.
2.Gill slits are covered by operculum, e.g. Rohu and Tuna
Cartilaginous Fish:
1.Body has cartilaginous endoskeleton.
2.Operculum is absent in these fishes. e.g. shark