A newly signed action plan aims to protect the migration cycle of the giant dorado catfish of the Amazon River ...

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

Even back then, scientists were puzzled. Many prediction models suggested this fish shouldn’t survive beyond roughly 10,000 ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Thousands of fish species — about 2,500 of them named — call the Amazon River home, but scientists estimate nearly half of the ...

For riverside communities along the Amazon, fish is not a menu choice—it is a lifeline. Millions of people in the Brazilian Amazon depend on fish as their primary source of protein, consuming it daily ...

Two years of record-breaking drought have dealt a heavy blow to what is arguably the Amazon's most successful sustainable economy: the managed fishery for the giant pirarucu. In Brazil´s Amazonas ...

Hydroelectric dams in Brazil’s Amazonas state have slashed fished populations by as much as 90% in some locations, according to a new a study based on on-the-ground research in partnership with ...

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 ...

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 ...