What do piranhas eat? Piranhas eat smaller fish and nips of other fish's tails, bugs and worms, crustaceans and carrion (dead meat). Some are omnivorous, eating plants and seeds as well as meat, and one species in Brazil is reported to only eat river weeds.

Do piranhas eat other fish?

Even though they legal in some places, piranhas are not ideal aquarium fish. They cannot be kept with other fish because they are natural predators; they will eat all of your other species and sometimes even others of their own kind. ... Piranhas are carnivores that prefer fresh food.

Do piranhas attack fish?

Piranhas are freshwater fish with razor-sharp teeth, and travel in large shoals for protection from predators. While attacks on humans are extremely rare, they can be deadly.