Not all creepy things go bump in the night -- some of them swim. While you might think of fish as harmless little dudes hanging out in your aquarium, there are some ...

At first glance, this looks like a simple freshwater catch. But this fish is built for one thing - ambushing and tearing into prey with rows of razor-sharp teeth. It doesn’t chase for long, it strikes ...

Janna Clinton was sitting on her back porch watching her son Charlie, 11, fish in a pond behind their house in Oklahoma this past weekend when he suddenly started yelling for her. "He was screaming, ...

An 11-year-old boy fishing in his neighborhood pond in Oklahoma made an unusual catch over the weekend: a South American fish with a mouth full of blunt, human-like teeth. Officials with the Oklahoma ...

The a-pacu-lypse is upon us. As if US waterways weren’t teeming with enough invasive fish of late, a Texas angler caught a South American piranha relative with “human teeth” at a local lake on Sunday.

A new fish species has emerged, but it does not hail from the realm of Mordor as its name suggests. The relationship between pacus and piranhas has been closely studied by researchers and while the ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish to the formidable, pointed teeth of sharks. But fish evolved from toothless ...