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, ...

The female cichlid fish in Lake Malawi are generally drab and brown (top), making them inconspicuous to predators. Drs. Kocher and Roberts believe that the orange blotch color pattern (bottom) emerged ...

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 ...

You may think of your love for your mate as the noble emotion of a pure heart, but some primitive parts of your brain are taking a decidedly more pragmatic approach to the subject, according to ...