6 endangered Mekong giant catfish — one of the world's largest and rarest freshwater fish — spotted in Cambodia
Six critically endangered Mekong giant catfish — one of the largest and rarest freshwater fish in the world — were caught and ...
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Giant freshwater stingray
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 ...
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Lake sturgeon
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 ...