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.

The video examines the long-standing fear that piranhas can devour a human. It breaks down how these fish actually behave in the wild and what triggers their aggression. Viewers learn why most ...

A new species of piranha-like fish called pacu was recently found hiding in plain sight among several near-identical species in the Amazon River. Researchers have named it after Sauron from "The Lord ...

A fish with grey and orange scales, with its mouth wide open exposing a row of human-looking teeth A young boy in Oklahoma has caught a bizarre, piranha-like fish with eerily human-like teeth hidden ...

Piranhas belong to a family of bony fish characterized by highly developed dentition. They’re cousins to the pacu fish, which has dentition eerily similar to human teeth. Unlike pacu teeth, which are ...