A Piranha or piraña (or /pɨˈrænə/) is a member of a family of omnivorous freshwater fish which live in South American rivers. In Venezuelan rivers they're called caribes. They are known for their sharp teeth and an aggressive appetite for meat. However, despite the negative Hollywood publicity piranhas are not generally violent, and have been known to be domesticated in home and office fish tanks. Etymology The name piranha may come from a hybrid language comp… (More on Piranha)