From the Andes to the Atlantic and back again, the dorado catfish reveals the connectivity of one of the world’s largest ...

Vast journeys, among world’s great wonders, found to be under threat as freshwater fish populations crash by 81% ...

Freshwater fish are vanishing from the world’s rivers, with migratory species down 81 percent due to dams, pollution, and ...

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

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 ...

A mass fish die-off in Brazil’s Amazon River region has killed an estimated 20-30 metric tons of fish and other aquatic animals, following one of the worst droughts in Amazonian history. On the night ...

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 ...

The Madeira River is the largest tributary flowing into the Amazon River and is home to many people living on the banks. These residents drink and eat fish from the river, so its water quality ...

It’s the longest river in the world, full of unique creatures, weaving and winding 3,700 miles across lush rainforests and ...