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

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

Stefan Lovgren writes on how freshwater fish from the Arctic to Africa are endanged by climate change and the unpredictable ...

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 ...

Many migratory species such as birds, bats, whales, and fish cross national borders to complete their lifecycle and need ...

The world has seven continents, but do you know the largest freshwater fish in each? These creatures show the incredible diversity of Earth's inland waters. Let's get amazed as we look at these ...

A local fisherman in northeastern Cambodia caught a 660-pound stingray in the Mekong River and alerted scientists with the Wonders of the Mekong project. Researchers say the massive growth of this ...

In Minnesota’s Rice Lake, bigmouth buffalo fish—some up to 127 years old—are the world’s longest-lived freshwater fish, aging ...

Killed by algae blooms and dwindling from dams and droughts, the largest freshwater fish in North America is at risk in California. Last week, wildlife officials took the first major step toward ...

Bill Eisenman has always fished. “Growing up, we ate whatever we caught — catfish, carp, freshwater drum,” he said. “That was the only real source of fish in our diet as a family, and we ate a lot of ...

Climate change is rapidly altering freshwater ecosystems — raising temperatures, altering flood pulses and oxygen levels — and driving complex, region-specific changes in how fish grow, migrate and ...