However, scientists believe this was a coincidence. Related: New piranha-like fish with 'human teeth' and Eye of Sauron ...

Piranhas are fish that live in the Amazon ... with 10 razor-sharp teeth, usually around 4mm! Piranhas, such as the Red Bellied piranha, can grow slightly larger at 35-40cm long.

This is the moment a sick fish underwent radiographs at a zoo in Milwaukee. Footage shows veterinarians conducting medical ...