Large groups of piranhas may gang up on an older, weaker anaconda near the end of its life. Caimans, which are smaller members of the alligator family may also prey on smaller or weaker anacondas, although, when the anaconda is full grown, it is known to prey on the caiman.

Do green anacondas have predators?

At the top of the food chain, adult anacondas have no natural predators. The biggest threat to their survival is human fear; many anacondas are killed by people worried that the enormous snake will attack. They are also hunted for their skin, which is turned into leather or used as decoration.

Do anacondas kill jaguars?

Green anacondas prey on a variety of animals including fish, birds, tapirs, wild pigs, capybaras, and caimans (reptiles similar to alligators). They've even been known to eat jaguars. Anacondas are not venomous; they use constriction instead to subdue their prey.