Researchers have discovered the first European cave fish. A hobby cave diver first sighted the fish, a loach in the genus Barbatula, living in a hard-to-reach, underground water system in South Ger...

Evolution is working hard to rescue some urban fish from a lethal, human-altered environment, according to a study. Atlantic killifish living in four polluted East Coast estuaries have adapted to l...

Tiny fish called Trinidadian guppies have individual 'personalities', new research shows. University of Exeter Scientists from the University of Exeter studied how guppies behaved in various ...

Most aquarium hobbyists are familiar with the two-part scientific naming system that has been in use since the 1700's. That two-part system is comprised of the Genus and species, which hasn't really...

Complete guide to keeping Neon Tetra in the home aquarium Neon Tetras are native to the streams and small tributaries of the Amazon including areas of southeastern Colombia, northeast Peru and northe...

Water Dogs! A crash course in keeping Oscar Cichlids Astronotus ocellatus, also known as the Oscar, is a fresh water species which is a member of the Cichlid family. Wild Oscars are native to the Ama...