Compare and contrast cartilaginous and bony fishes.

Explanation

`{:("Cartilaginous fishes","Bony fishes"),("1. These are marine farms.","1. These are live in all kinds of aquatic habits."),("2. Endoskeleton made by cartilaginous.","2. Endoskeleton made by bone."),("3. Body covered by plocoid scales.","3. Body covered by cosmoid, ganoid, cycloid or ctenoid scales."),("4. Caudal fin is heterocercal.","4. Caudal fin is homocercal."),("5. Operculum absent.","5. Operculum present."),("6. Air bladder absent.","6. Air baldder present."),("7. Gills are lamelliform and are five to seven in each side.","7. Gills are filamentous and are four in each side."),("8. These are ureotelic.","8. These are mostly ammonotelic."),("Ex : Scoliodon, Pristic, Torpedo.","Ex : Catla, Labeo, Exocetus, Hippocampus."):}`