The giant freshwater stingray may be the world’s largest freshwater fish. It’s also cloaked in mystery. No one is sure how many giant stingrays are left, which habitats they prefer ...

These freshwater giants have greenish-grey coloring ... These organs, called barbels, help the fish to locate bottom-dwelling prey, such as snails, mussels, clams, crayfish, insect larvae, and ...

The largest global assessment of freshwater animals on the IUCN Red List of Threatened Species™ to date has revealed that 24% ...

The assessment found that crabs, crayfish and shrimps face the highest extinction risk of the groups studied, with 30% under ...

Nearly a quarter of the world's freshwater species are at risk of extinction due to a multitude of threats, according to new research.