One of the bathers lost the tip of their toe during a frenzied attack. Officials in the city of Caceres said it was the first time piranhas had been seen at Daveron beach, on the Paraguay River.

Fishermen are occasionally bitten, and there have been some recent reports of attacks ... many species of piranhas exist, with estimates ranging from 30 to 60. “I've been swimming dozens of ...

Although there are eight species of piranhas in Paraguay, attacks usually come from the serrasalmus marginatus and the serrasalmus maculatus, which can be found in both Paraná and Paraguay rivers.