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

Near an island in the South Pacific Ocean, a bright red sea creature with “canine-like” teeth swam around the coral reef.

During their surveys, the team found several unfamiliar-looking brown eels, the study said. They took a closer look at the ...

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 ...

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 ...

Pictures of the 'black demon' fish is going viral on social media as it has reportedly been photographed in daylight for the first time. Officially called Melanocetus Johnsonii, this eerie looking ...

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 ...

Adaptations of the teeth and jaws that allow the fish to adapt to a wide range of food sources and habitats are thought to be a factor in their success. Fish, including cichlids, have either ...