Which one of the following is a cartilaginous fish?
Give one example of (a) cartilaginous fish; (b) bony fish.
Endoskeleton of fishes are made up of cartilage and bone; classify the following fishes as cartilaginous or bony: Torpedo, Sting ray, Dog fish, Rohu, Angler fish, Exocoetus. [3MARKS]
Which of the following is not an example of cartilaginous fish?