Which one of the following is a true fish?

Which one of the following is a true fish?

مندرجہ ذیل میں سے کون سی سچی مچھلی ہے؟
Explanation
  • Dogfish is a true fish as it belongs to the class Chondrichthyes (cartilaginous fish).
  • Jellyfish is a cnidarian, and Cuttlefish is a mollusk, so neither are true fish.