If you're in the throes of setting up a home aquarium, you may be curious about the types of freshwater fish you can keep as a pet. Often the first fish that springs to mind is a goldfish, but there ...

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

New research has found that roughly half of Australia's freshwater fish are fond of snacking on animal and plant material, ...

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 ...

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

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 ...

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 ...

A new assessment discovered that 25 percent of freshwater fish are at risk for extinction due to climate change and pollution. The latest update to the International Union for Conservation of Nature’s ...

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 ...

New research has found that roughly half of Australia's freshwater fish are fond of snacking on animal and plant material, ...

A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...