Few animals in freshwater ecosystems have a reputation as intense as piranhas. Popular culture often shows them as aggressive predators capable of stripping flesh in seconds, turning any river ...

If you are a fan of horror movies, then an age-old classic, Piranha (1978), should be on your watchlist. The movie is about a river infested with deadly piranhas, and how they were genetically altered ...

Learn more about piranhas, why they have such a powerful bite, and why there are so many misconceptions around them. In 1914, former U.S. president Theodore Roosevelt was traveling in Brazil when ...