Metriaclima phaeos Stauffer, Bowers, Kellogg & McKaye, 1997 — by Ad Konings

A very attractive species with blue-black males and all-yellow females.

Metriaclima xanstomachus (Stauffer & Boltz, 1989) — by Ad Konings

A rather large mbuna with a yellow throat which seems not overly aggressive.

Gender determination in cichlids — by Juan Miguel Artigas Azas

The topic of this article may be misleading since it does not deal with determining the gender of a specific fish, whether it is a male or a female, but rather about how gender is developed in cichlids after birth. For us humans (and mammals) the gender of an individual is pretty straightforward since the beginning of our lives, but in fish (and many other organisms) it is not always so. In many cichlids the gender is actually plastic, and we are getting to learn more and more about this fact