Sharks have no swim bladder for buoyancy. Instead, an oily liver aids in bouyancy.
no they don't they have caralige (they same stguff in your ears and nose) this is what makes them different from other fish
Sharks share the same family as fish, which makes sharks fish. The other animals in the shark groups include searays and sting rays.
Dolphins are mammals. Sharks are fish. They are very different, though both are vertebrates.
They just know......
their penis and testiciles - MonRay LACC
whale sharks,larger fish,barracudas
sharks
Sharks are carnivores, they can only eat other fish.
people, other fish, sharks and animals
sharks and other big fish eat rainbow fish
Fish can't survive without water !
It gives birth