Some “large”-eyed creatures caught their attention — and turned out to be two new species. Scuba divers visited several spots at Lake Malawi in 2016 to search for cichlid fish, George Turner ...

It’s not what you do, it’s how readily you do it. Rapid evolutionary change might have more to do with how easily a key innovation can be gained or lost rather than with the innovation itself, ...

But African cichlids are famous for making the most of these two types of chompers, taking on more distinct habitats and more distinct diets than most other fish species. A surprisingly large lineage, ...

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.

Complex teeth with multiple cusps in an African cichlid fish. The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that ...

The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that the ease with which these fish can develop a biological ...