Endoskeleton of fishes are made up of cartilage and bone; classify the following fishes as cartilagenous or bony
Torpedo, Sting ray, Dog fish,
Rohu, Angler fish, Exocoetus.
The skeleton of bony fish is made of bones while as cartilaginous fish is made of only cartilage.
Cartilaginous- Torpedo, Stingray, Dogfish
Bony- Rohu, Angler fish, Exocoetus