A mass fish die-off in Brazil ... adding strain to the families who depend on the freshwater supply. “It’s paradoxical that riverine communities in the Amazon face water stress while living ...

A new species of piranha-like fish ... freshwater fish. Researchers discovered M. sauron while studying the nearly identical species M. schomburgkii, which was first discovered in the Amazon ...

A major reason why scientists know so little about giant freshwater rays is because they hide at the bottom of the river. They’re not considered a good food fish in Southeast Asia, so they’re ...