A new species of Amazonian fish, Pyrrhulina punctata, has been discovered in Peru, revealing previously unknown biodiversity ...

The cardinal tetra is one of the most popular pet fish in the world. They look like little red and blue sequins. You've ...

The pirarucu, the giant fish of the Amazon, was an endangered species. Due to conservation efforts, it's making a comeback. Now a big fish story - seriously. In the Amazon jungle, there is a species ...

Piranhas are among the most deadly creatures in the water, with razor-sharp teeth capable of slicing flesh easily, but a fish in the Amazon River basin has developed a "bulletproof vest" to protect ...

Deep in the vast rivers and flooded forests of the Amazon Basin, there lives a fish that appears to be prehistoric in both size and appearance. The arapaima, also called the “pirarucu,” is one of the ...