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 ...

WASHINGTON (Reuters) - One of the world's largest freshwater fish is protected by the natural equivalent of a "bullet-proof vest," helping it thrive in the dangerous waters of the Amazon River basin ...

Six years ago, the fish ecologist Rodney Rountree was on a skiff in the Peruvian Amazon. He was holding a piranha in his hand…underwater…in a river filled with ...

DELTONA, Fla. — A Deltona fisherman thought he caught a piranha in Dupont Lake Friday night. However, Florida Fish and Wildlife confirmed Tuesday that the fish is a pacu, which is related to the ...

The armor that a massive Amazonian fish evolved against piranhas could lead to better body armor for soldiers, researchers say. Subscribe to read this story ad-free Get unlimited access to ad-free ...