A community of rare fish enthusiasts collects endangered species of freshwater fish from lakes and springs around the world, ...

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 ...

Fish can change their teeth quickly, which speeds up their evolution. Cichlids in African lakes show the fastest ...

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 ...