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 ...

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 ...

Migratory freshwater fish populations have declined 81 percent globally since 1970. 97 percent of listed migratory fish species are threatened with extinction, with hundreds more newly identified as ...

As national representatives gather at the UN COP15 Convention on Migratory Species (CMS) meeting this week in Brazil, a new global report has been released profiling a dangerously neglected category ...

Many people are familiar with the epic migrations of zebras and wildebeest across the Serengeti, but some of our planet’s most important migrations happen out of sight. The dorado catfish travels ...