Question

Which one is a true fish?

• A. Cuttle fish
• B. Dog fish
• C. Jelly fish
• D. Silver fish

Answer 1

The correct option is B Dog fish

A. Cuttle fish is a marine animal or cephalopod under phylum Mollusca.

B. Dog fish is the common name of Scoliodon. It is a cartilaginous fish under class Chondrichthyes of phylum Chordata.

C. Jelly fish is the common name for the medusa stage of some members of phylum Cnidaria.

D. Silver fish is a small and wingless insect.

Hence, dog fish is a true fish.

So, the correct answer is 'Dog fish'.