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.

Nov 21, 2025 · 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 …

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.

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 …

Learn about the size, diet, population, habitat, behavior and other interesting facts about piranhas.

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.

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 …

Mar 2, 2025 · Piranhas have a reputation as some of the most dangerous freshwater hunters: terrifying predators capable of devouring a large mammal in mere minutes. It turns out, however, that …

Piranhas, wild freshwater fish, often swarm in South American rivers, feared for their razor-sharp teeth and voracious appetite. Despite their notorious reputation, different types of piranha offer diversity …

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 …