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

These differences allow them to survive in distinct habitats and on distinct diets. But African cichlids are famous for making the most of these two types of chompers, taking on more distinct habitats ...

Nature is fascinating and here’s proof of it. These 10 animals defy norms by giving birth through their mouths ...

In the second simulation, you've again stocked your pool with about one hundred guppies, but this time you start the test with an even mix of all four guppy types (brightest, bright, drab ...

African Cichlidae, also known as cichlids, the most diverse and textbook example of species diversification to fill different niches (a phenomenon known as adaptive radiation), were dominated by ...

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 ...

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 ...