Fish will mate with a species outside their own if the male's colouring is attractive enough or if the female can't see him properly, according to new research.

Scientists at the Shedd Aquarium have been successful in breeding a previously undiscovered species of fish that might help save Africa`s largest lake, Shedd officials announced last week. The fish… ...

Scuba divers found some “large”-eyed fish with striped bodies near rocky coast and discovered two new species, a study said and photos show.

All the latest science news on cichlid fish from Phys.org. Find the latest news, advancements, and breakthroughs.

Cichlids are a large and diverse family of primarily freshwater fish which include more than 1,300 known species. Scientists often find new cichlid species and there are thought to be many more ...

No less than 500 new species of cichlids, brightly coloured perch-like fish, evolved in Lake Victoria (East Africa) over the past 15,000 years -- a record in the animal and plant world. This ...

In three bursts of adaptive change, one species of cichlid fish in Lake Tanganyika gave rise to hundreds.

The poster child for evolution may have finally revealed its secret. More than 1000 closely related but different species of cichlid fish live in Lake Malawi in south-east Africa – more than in ...

Such 'mistakes' in mate choice can lead to the evolution of new species, an international team of scientists found after they analyzed the DNA of more than 400 cichlid fish.

Scuba divers found some “large”-eyed fish with striped bodies near rocky coast and discovered two new species, a study said and photos show.