The Mekong giant catfish is an endangered freshwater species. Zeb Hogan. Many people are familiar with the epic migrations of ...

From artfully colored brook trout to flamboyant pumpkinseed, these amazing freshwater fish prove visual beauty isn’t just found around coral reefs. From spots to stripes to dazzling colors, these fish ...

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 ...