Scientists reveal the genetic secret behind the thick lips of African cichlids, linked to parallel evolution and proteins.

These thick, plump lips have puzzled researchers for years, leaving them to wonder what drives this curious evolutionary ...

American scientists showed that low-status male cichlid fish have higher levels of oxidative stress in their brain - which is linked to poorer mental and neurological health in humans. They ...

Many of the blue fish were zebra striped, while one of the yellow varieties had horizontal streaks of black and white. The rocky lakebed was like a collapsed cathedral. The cichlids, mostly two to ...

Over 1,800 species of cichlid fish live in Africa’s Rift Valleys lakes. In this crowded world, many cichlid species use ‘mouth-brooding’ to both incubate their eggs, and protect their young.

Species that are popular in the ornamental fish trade are very adaptive by nature. This virtue helps them easily adapt to ...

Angel Fitor is this year’s winner for his masterful underwater images of cichlid fishes in East Africa. Two male cichlid fish fight jaw to jaw over a snail shell. Inside the half-buried shell is a ...