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 ...

What is a Pacu fish? The Pacu is a South American freshwater fish that's related to piranha but has key differences. The fish is vegetarian and has teeth that look similar to those of humans. The Pacu ...

The video examines the long-standing fear that piranhas can devour a human. It breaks down how these fish actually behave in ...

The Oklahoma Department of Wildlife Conservation tweeted the news Tuesday along with a photo of the fish which is related to the piranha. Someone released a piranha-like fish into a neighborhood pond, ...