A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...
Off the coast of Eilat in Israel, a big blue octopus propels itself forward, flailing its tentacles, with a troop of groupers fish following it. At some point during its hunting trip, the octopus ...
A newly discovered fish fossil is the earliest known creature with what might be recognized as a face. Entelognathus primordialiswas an ancient fish that lived about 419 million years ago in the Late ...
Climate change is rapidly altering freshwater ecosystems — raising temperatures, altering flood pulses and oxygen levels — and driving complex, region-specific changes in how fish grow, migrate and ...