Question

which is the fish who make only cartilages

Answer 1

hey mate..

here is ur answer...

Cartilaginous fish 

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Answer 2

Cartilaginous fish (scientific name Chondrichthyes) have a skeleton made from cartilage instead of bone. Cartilage is tough and flexible and provides enough structural support to allow these fish to grow to very large sizes. Cartilaginous fish include sharks, rays, skates and chimaeras.

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