The UN assessment of the state of migratory freshwater fish revealed an 81% decline in the last 50 years.

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

A sweeping global report finds that migratory freshwater fish are in steep decline, with populations down roughly 81% since ...

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

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 ...

You value independent local news, so become a sustainer today to power our newsroom. Killed by algae blooms and dwindling from dams and droughts, the largest freshwater fish in North America is at ...

WASHINGTON— In response to a legal petition from the Center for Biological Diversity, the U.S. Fish and Wildlife Service today proposed to protect the green floater, a freshwater mussel found from New ...

The Center for Biological Diversity sued the U.S. Fish and Wildlife Service today for failing to finalize protection of the coal darter under the Endangered Species Act. The many threats to the rare ...

TRAVERSE CITY, Mich. — Federal regulators designated two U.S. freshwater mussels as threatened on Wednesday, a further sign of trouble for native mollusks that help cleanse waters by filtering out ...

Stay up-to-date with free briefings on topics that matter to all Californians. Subscribe to CalMatters today for nonprofit news in your inbox. Killed by algae blooms and dwindling from dams and ...