Question

Differences between cartilaginous fishes and bony fishes

Answer 1

Catilaginous fish has cartilage covered body where as bony fish have bones and don't have cartilage.
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Answer 2

HLO MATE HERE IS UR ANSWER.

❤. CARTILAGINOUS FISHES ❤

⭐. Cartilaginous fishes are mostly marine.

⭐. Endoskeleton is made up of cartilage.

⭐. Mouth is ventral.

⭐.Scales are placoid.

⭐.Air bladder is absent.

⭐.Excretion is ureotelic.

⭐.Caudal fin is hetercercal.

⭐.Claspers are present in males.

⭐.Mostly viviparous.

⭐.Ex: Scolidon(dog fish) , Torpedo.

❤. BONY FISHES ❤

⭐. Bony fishes are found in all aqautic habitats.

⭐. Endoskeleton is made up of bones.

⭐. Mouth is terminal.

⭐. Scales are cycloid , ctenoid , ganoid or cosmoid.

⭐. Air bladder is present.

⭐. Excretion is ammonotelic.

⭐. Caudal fin is homocercal or diphycercal.

⭐ Claspers are absent in males.

⭐. Mostly Oviparous.

⭐. Ex: Exocoetus (flying fish) , catla.