Territoriality fundamentally influences animal mating systems and patterns of population structure. Although territory ownership is already known to contribute importantly to male reproductive success ...

The 32.5-gallon aquarium just got a major upgrade with some truly stunning cichlids. Their bold colors and lively personalities completely transform the tank. From the moment they hit the water, the ...

The poster child for evolution may have finally revealed its secret. More than 1000 closely related but different species of cichlid fish live in Lake Malawi in south-east Africa – more than in any ...