(CN) - A New York tropical fish importer pleaded guilty Wednesday to mislabeling piranhas -- which are banned in Manhattan -- as common aquarium fish. In a plea agreement, Joel Rakower admitted that ...

Piranhas are notorious for their razor-sharp teeth, but a new study of the dangerous fish has surprised researchers, revealing just how remarkable their teeth actually are. The research notes that the ...

Piranhas are among the most deadly creatures in the water, with razor-sharp teeth capable of slicing flesh easily, but a fish in the Amazon River basin has developed a "bulletproof vest" to protect ...

In this video, the common portrayal of piranhas as aggressive fish is challenged. I explore the behavior of pet Red-Bellied ...

Butler County — A fish identified as a Pacu, native to South America and similar to a Piranha, was found at Glade Run Park in Butler County recently. Because the species is native to warmer climates, ...

So, piranhas are never toothless even though they are constantly replacing dull teeth with brand new sharp ones." The team of researchers joined their expertise in evolutionary history, biomechanical ...

The piranha teeth are more remarkable than previously thought. Researchers found they lose and regrow all the teeth on one side of their mouth simultaneously and multiple times throughout their lives.

WASHINGTON (Reuters) - You can call it a prehistoric prequel. Scientists said on Thursday they have unearthed in southern Germany the fossil of a fish that, with its mouth full of razor-sharp teeth, ...

Piranha fish have a powerful bite. Their teeth help them shred through the flesh of their prey or even scrape plants off rocks to supplement their diet. Years ago, scientists discovered that piranhas ...