Add Yahoo as a preferred source to see more of our stories on Google. Close up image of two piranhas with their mouth open. When we think of piranhas, we often conjure up an image of fearsome ...

Piranha is a general name used to describe a group of freshwater fish with a fearsome reputation when it comes to feeding. There are between 40 and 60 different species; none grow larger than two feet ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. In something straight out of a childhood nightmare, a swarm of piranhas ...

Are piranhas as dangerous as shows and movies make them out to be? Before you travel to South America, get the facts on ...

(via Deep Look) Known as sand piranhas, Excirolana chiltoni are tiny crustaceans that nibble at your feet – and draw blood – if you hang out on the wet sand at the beach. They live on the Pacific ...