Some of the longest, most important migrations of species on Earth are happening beneath the surface of the world's rivers and many are rapidly collapsing, according to a major new assessment by the ...

Migratory freshwater fish have declined by an estimated 81% since 1970 yet remain largely overlooked in global conservation policy. At the latest meeting of the Convention on Migratory Species (CMS), ...

Freshwater fish populations that dwell nearer the poles are outperforming their equatorial counterparts, researchers have found. Freshwater fish populations that dwell nearer the poles are ...

A sweeping global report finds that migratory freshwater fish are in steep decline, with populations down roughly 81% since 1970. These species depend on long, connected rivers, but dams and human ...

The Oyapock river, between Brazil and French Guiana, is one of the few waterways that a new paper identifies as being relatively undamaged by humans. Sebastien Brosse Two recent assessments of the ...