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 ...

About four out of 10 freshwater fish species in North America are in peril, according to a major study by U.S., Canadian and Mexican scientists. And the number of subspecies of fish populations in ...

Freshwater browning is stunting fish growth of some species, shrinking populations of others and changing the composition of ...

The largest freshwater fish in North America, which was once abundant in California’s major rivers and San Francisco Bay, has declined in numbers to a point that state officials will consider whether ...

The most extensive global assessment of freshwater animals to date has revealed that a quarter of all freshwater animal species on the IUCN Red List are threatened with extinction. The study found ...

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 oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

FLAGSTAFF, AZ (AZFamily) — A first-of-its-kind study has an alarming conclusion: a quarter of all freshwater fish species could go extinct because of pollution and climate change. Northern Arizona ...

Emma Smart, a UAE-based PHD student and member of the Emirates Wildlife Society – WWF (EWS-WWF) team has discovered a new species of Arabian freshwater fish - Garra Smarti residing in Southern Oman.

A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is ...

The Convention on the Conservation of Migratory Species of Wild Animals (CMS) does not adequately address the issue of migratory freshwater fishes.