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

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

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

Nearly a quarter of animals living in rivers, lakes, and other freshwater habitats face extinction, according to a new study published Wednesday in Nature. Researchers found that 24 percent of ...

Almost a quarter of freshwater animals, including crabs, crayfish, shrimp, damselfly and fish, are threatened of going extinct, according to a new, global study that was published on Wednesday. The ...

WASHINGTON (AP) — Nearly a quarter of animals living in rivers, lakes and other freshwater sources are threatened with extinction, according to new research published Wednesday. “Huge rivers like the ...

One of Earth’s biggest freshwater fish is bouncing back One of Earth’s biggest freshwater fish is bouncing back These 'trash fish' are among Earth's most primitive animals These 'trash fish' are among ...