Cichlids aren’t small fish, growing up to 15 inches (38.1 centimeters) in length. It’s okay to keep them alone since they are quite territorial! Avoid tank mates like smaller fish, which will ...

Species that are popular in the ornamental fish trade are very adaptive by nature. This virtue helps them easily adapt to ...

Scientists reveal the genetic secret behind the thick lips of African cichlids, linked to parallel evolution and proteins.

In the second-largest lake in Africa, fish evolution is taking place ... algae on the glass when the man at the aquarium shop showed me the cichlids. They came from a freshwater lake, he said ...