The UN assessment of the state of migratory freshwater fish revealed an 81% decline in the last 50 years.
Freshwater fish are vanishing from the world’s rivers, with migratory species down 81 percent due to dams, pollution, and ...
Some of the longest, most important migrations of species on Earth are happening beneath the surface of the world's rivers ...
Hidden beneath the surface of the world’s rivers, some of Earth’s great animal movements unfold – migrations that rival, in ...
A new species of Amazonian fish, Pyrrhulina punctata, has been discovered in Peru, revealing previously unknown biodiversity ...