Native to the Gila River basin, the loach minnow and spikedace are adapted to the beautiful yet vulnerable ecology of southwestern desert rivers. These rare, pint-sized fish are just two of many river ...

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 ...

The team’s research was inspired by the unusual breathing of the loach, a freshwater fish. When Takebe and his team were studying the respiration methods of various creatures to develop ...