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 fish, dubbed a pacu ...

This fish must have a good dentist. A Brazilian businesswoman Paula Monteira went viral earlier this week after she shared images of a fish sporting human-like teeth. The video, which has more ...

An unusual invasive fish with chompers that bear an eerie resemblance to human teeth was reeled in from a Texas lake this week. Known as a pacu fish, the South American freshwater species are ...

Nervy human teeth arose from ancient armored fish scales The sometimes uncomfortable sensations we feel in our teeth may be an evolutionary holdover from the scaly exteriors of ancient armored fish.

This fish must have a good dentist. A Brazilian businesswoman Paula Moreira went viral earlier this week after she shared images of a fish sporting human-like teeth. The video, which has more than ...