Give two differences between bony fish and cartilaginous fish. Give one example of each.
Differences between bony fish and cartilaginous fish are as follows:
1.Body has bony endoskeleton.
2.Gill slits are covered by operculum, e.g. Rohu and Tuna
1.Body has cartilaginous endoskeleton.
2.Operculum is absent in these fishes. e.g. shark