The natural enemies of piranha are waterfowl, caiman, giant otter and freshwater dolphin.

Natural enemies mean that one animal preys on or harms another animal in nature, and these species will prey on piranhas, so several species are natural enemies of piranhas. Piranha, also known as piranha, is a kind of fish distributed in the Amazon River in South America. There are nearly 56 species of piranha, belonging to the subfamily Sawfish and CYPRINIDAE.