Cichlids are one of the largest and strangest groups of vertebrate fish — fish with backbones — on Earth. They’re popular as pets and farmed in aquaculture, and scientists have been studying them ...

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 ...

Different beak and jaw shapes are illustrative examples of how animal species have adapted to different food sources. In a ...

The rapid formation of 500 different species of fish in a single lake, each with specialized ecological roles, resulted from a small but genetically diverse hybrid population. Scientists show the ...

Gene transfer inhibition in the African cichlids fish might explain the evolution of new species, a study in Nature Ecology & Evolution, has found. Martin Genner, a professor of Ecology, Population ...