The world has seven continents, but do you know the largest freshwater fish in each? These creatures show the incredible diversity of Earth's inland waters. Let's get amazed as we look at these ...

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 ...

The Mekong giant catfish is an endangered freshwater species. Zeb Hogan. Many people are familiar with the epic migrations of zebras and wildebeest across the Serengeti, but some ...

The northern snakehead is one of the most unsettling invasive species in America: a fish that can wriggle across land, ...

The updated European Red List of Freshwater Fishes – the most comprehensive assessment in 15 years – reveals little evidence of species recovery and calls for urgent action to protect Europe’s aquatic ...

A group of men surround a Mekong giant catfish (Pangasianodon gigas). (Courtesy of Zeb Hogan.) (CN) — Many freshwater fish worldwide are in crisis, according to a new global assessment, but varied ...

Populations of migratory freshwater fish have collapsed by 81% since 1970, according to the most recent Living Planet Index assessment, a decline steeper than nearly any other wildlife group on Earth.