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

Deep in the vast rivers and flooded forests of the Amazon Basin, there lives a fish that appears to be prehistoric in both ...

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

Hidden beneath the surface of the world’s rivers, some of Earth’s great animal movements unfold – migrations that rival, in ...

Some of the longest, most important migrations of species on Earth are happening beneath the surface of the world's rivers ...