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 ...

A small fossil reveals that the largest freshwater fish, Otophysans, emerged in the sea, not in rivers, changing the ...

Rivers have been the lifeblood of human civilization throughout history, and yet we know surprisingly little about what lives in many of them – including the giant creatures that prowl their depths.

For years, scientists assumed one small freshwater fish had slipped out of existence without much notice. Moema claudiae ...

Often unassuming and cloaked in dull shades of brown or gray, freshwater fish have long been overlooked when it comes to conservation. It’s come at a cost, with as many as a third of global ...

By Stefan Lovgren Southeast Asia’s Mekong River is one of the world’s most diverse and productive freshwater ecosystems, home ...

Called the ‘King of the Aquarium’, these freshwater fish come in a variety of colours and patterns. These fish require warmer ...

Africa’s freshwater fish are on the decline, according to a recent report by the World Wide Fund for Nature. In Lake Victoria, Africa’s largest lake, fish catches have dropped sharply as pollution, ...

Scientists discovered 212 freshwater fish species in 2021, according to a new report by the conservation organization Shoal. At a time when we hear so much about animals going extinct, the report is a ...

Smallmouth bass are one of the freshwater fish species found to have higher concentrations of PFAS. (Getty Images) A new study found high levels of toxic “forever chemicals” in freshwater fish ...