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.

In a similar incident in March last year, 15 people were injured when piranhas attacked them while they bathed in a river in Brazil, prompting firefighters to transport at least four individuals ...

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.

Relationship with humans - Piranhas are very shy creatures and tend to stay away from bigger prey, so the chance of a piranha ever attacking a human is very slim.