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

However, it’s important to do research before dropping a bunch of different fish into a tank ... even if you have one goldfish. 4. African Cichlids Can Coexist With Synodonitis Catfish Cichlids ...

Variations in water quality can impact the development of the visual system of one species of African fish ... eye and pupil of both the young fish and adult cichlids in the experiment ...