Fish that split their lives between fresh and salt water often face obstacles getting back and forth. Dams and roads fracture river networks and interfere with traditional migratory routes, sparking ...

Spanish biologist Ignacio Paulin became fascinated by the behavior of these fish, in a project that could now disappear due ...

New research by Scripps Institution of Oceanography at UC San Diego and Reef Environmental Education Foundation (REEF) has found that citizen science initiatives could be one of the keys to unlocking ...