Experts warn that some of the most familiar fish species could face local extinction within decades. Read more at ...

In the wide, sandy stretches of Brazil’s Araguaia River, the piraíba, South America’s largest catfish, is a cornerstone of ...

Some of the longest, most important migrations of species on Earth are happening beneath the surface of the world's rivers ...

David Vazquez's video showcases a truly remarkable sight—a fish that appears as if seaweed has sprouted legs and is walking.

Several iconic fish species are now slipping quietly into rarity, their disappearance reflecting a deeper crisis unfolding ...

Freshwater fish are now the most imperilled vertebrates on the planet, with migratory species being particularly vulnerable ...

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 ...

Hidden beneath the surface of the world’s rivers, some of Earth’s great animal movements unfold – migrations that rival, in sheer biomass, the famous mass movements of zebra and wildebeest across the ...

Bass in southeastern rivers turn out to be two species, highlighting hidden diversity and growing threats from habitat ...

How did ancient fish perceive their environment in the deep sea? An international team led by scientists from the Natural ...

For the first time it also includes plants said Alex Fish, endangered and threatened species coordinator with Maine ...

With the Brunswick Hydroelectric Dam currently up for relicensing, it's now or never to force the dam's owner to adhere to Clean Water Act standards for safe passage of native fish species.