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 ...

In something straight out of a childhood nightmare, a swarm of piranhas has been caught on camera munching on a caiman carcass. "Piranhas are often depicted in films as man-eating fish, but the truth ...

Things just got wild in Chandler's backyard! Zak Catchem surprised him with a few Mega Piranhas, and now they’re settling into their new home, a custom pond built just for them. Watch Chandler dive in ...

Piranhas had become accustomed to the free food discarded in the river. Once first blood was drawn, the school attacked en masse. When you purchase through links on our site, we may earn an affiliate ...