Cichlids are beautiful, intelligent fish, but their territorial streak can make finding the right tank mates tricky. By understanding their natural behaviors, space needs, and compatibility factors, ...

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 ...

It all started with the Convict cichlids. The small striped fish, native of Central America, captured Sac State Biology Professor Ron Coleman’s attention in a laboratory at the University of Toronto ...

There are concerned, overprotective parents, and then there are cichlid fish. After a male cichlid fertilizes the female’s eggs, she holds her entire brood of embryos inside her mouth for two weeks ...

In the April issue of Scientific American, I present recent insights into the extraordinary evolution of cichlid fish. Although many factors have probably contributed to the stunning success of this ...