Piranhas are among the most deadly creatures in the water, with razor-sharp teeth capable of slicing flesh easily, but a fish in the Amazon River basin has developed a "bulletproof vest" to protect ...

Piranha fish have a powerful bite. Their teeth help them shred through the flesh of their prey or even scrape plants off rocks to supplement their diet. Years ago, scientists discovered that piranhas ...

"How dare you," the Oklahoma Department of Wildlife Conservation wrote in a tweet addressed to the fish's former owner Bailey Richards is a writer-reporter at PEOPLE. She has been working at PEOPLE ...