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

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 ...

Smaller fish species are more nutritious, lower in mercury and less susceptible to overfishing, a Cornell-led research team has found. The team's study was conducted in the Amazon River, but the ...

PUERTO NARINO, Colombia (AP) — A flash of pink breaks the muddy surface of the Amazon River as scientists and veterinarians, waist-deep in the warm current, patiently work a mesh net around a pod of ...