The same reason bears eat fish and people eat candybars. Its all part of the circle of life and the food chain and all that. They eat each other to survive even if it is a little harsh eating your own species.
sharks do not eat eggs. they will eat other sharks' eggs though
no people eat sharks
Great White Sharks eat smaller sharks
sharks will eat anything
Sharks will eat anything!
sharks will eat anything!
There are three species of sharks known to eat starfish. These sharks are the Nurse sharks, Horn sharks and Port Jackson sharks.
There is no species of shark that do not eat living organisms.
Sharks do not eat plants.
Sharks eat fish for dinner
no they do not eat sharks because a shark is to big for them to eat but they can kill sharks
no