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

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 ...

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.

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

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 ...

A remarkable new fish, Priocharax rex, has been discovered in Colombia's Amazon. This tiny species, measuring just 0.8 inches ...

Researchers recorded lemon sharks (Negaprion brevirostris) preying on an invasive species, the jaguar cichlid (Parachromis ...

Scientists reveal Priocharax rex, a tiny Amazonian fish with a strange skin “wing” that redefines evolution in miniature.