A new global study reveals that nearly one in four freshwater animal species is at high risk of extinction, scientists warn.

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

Nearly a quarter of the world's freshwater species are at risk of extinction, according to new research. A detailed extinction assessment of more than 23,000 species of freshwater fauna by the ...

The Center for Biological Diversity petitioned the U.S. Fish and Wildlife Service today to protect two declining freshwater fish species in Oregon and California under the Endangered Species Act.

Freshwater fish trematodes represent a diverse group of parasitic flatworms that pose important implications for both aquaculture and wild fish populations. Recent integrative studies combining ...

When saltwater fish long ago evolved to live in fresh water, many of them also evolved a more sophisticated hearing system, ...

The Center for Biological Diversity petitioned the federal government Thursday to protect two declining freshwater fish ...

For a long time, researchers believed that a certain group of freshwater fish developed their super-hearing abilities after ...

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate ...

A recent study found PFAS chemicals have been found in saltwater fish in the Cape Fear River, two years after a health ...