Definition
A piranha is a carnivorous freshwater fish known for its sharp teeth and powerful bite. They are native to South American rivers and are often feared for their aggressive reputation. However, not all piranhas are as dangerous as portrayed in movies. Some species primarily feed on plants or scavenge for food. They typically live in groups and can strip a carcass clean in a short amount of time. Piranhas play an important role in their ecosystem, controlling populations of other fish.