For a total of nine months, first author Dr. Carolin Sommer-Trembo recorded the "exploratory behavior" of 57 different ...

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

The cichlid fishes of Africa's great lakes are a particularly large and diverse group, adapted to a wide variety of habitats and food sources in the lakes. They form new species more readily than ...

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 ...