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 ...

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

SAN JOSE, Calif. (KGO) -- Concerning findings about the world's freshwater fish population, 25% are in danger of extinction according to the International Union for Conservation of Nature. It's a ...

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

Africa’s freshwater fish are disappearing at alarming rates, with a new report from the World Wide Fund for Nature warning that over a quarter of species face extinction. On Lake Victoria, the ...

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

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 ...

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 ...

This post comes to PBS Nature from World Wildlife Fund (WWF). WWF and Nature are collaborating on a series of blog posts from WWF conservation scientists that will share the stories and motivations ...

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 ...

A woman shared that when kept in proper conditions, this fish can flourish, and just because it can survive in worse conditions does not mean that the fish is thriving ...