Piranhas are indigenous to the Amazon basin, in the Orinoco, in rivers of the Guianas, in the Paraguay – Paraná, and the São Francisco River systems, but there are major differences in the species richness.

Jan 16, 2026 · Piranhas range from northern Argentina to Colombia, but they are most diverse in the Amazon River, where 20 different species are found. The most infamous is the red-bellied piranha …

Apr 8, 2025 · Take piranha fish, a toothy South American freshwater fish that has been the subject of not one, not two, but five Hollywood horror movies. Sure, they've got big teeth, but are piranhas really as …

2 days ago · Over 40 swimmers suffered serious injuries in a mass piranha attack off the coast of Argentina at the weekend.

Aug 7, 2025 · Piranhas are fairly small, usually under two feet, and typically travel in groups called shoals. Piranha is the common name used to refer to any of potentially over 60 species of freshwater …

Jun 12, 2025 · While piranhas can be dangerous, attacks are rare and usually provoked. Understanding and respecting their habitat reduces risks and allows harmonious coexistence.

More than 40 swimmers, including adults and children, at a popular river beach in South America were injured last week from a massive piranha attack.

Piranhas are a group of freshwater fish belonging to the family Serrasalmidae, which also includes pacu and silver dollars. They are native to the rivers, lakes, and floodplains of South America.

There are several dozen species of piranha. These creatures have lived in South America for nearly 2 million years – and their ancestors are thought to have inhabited South America rivers for as much …

Mar 2, 2025 · How dangerous are piranhas? With their sharp teeth and strong bite force, piranhas are formidable but not as deadly as popular opinion might suggest. While capable of inflicting serious, …