Author: (Meyer & Förster, 1984)
FBname: William's mbuna
Comments: Inhabits the rocky biotope of the reefs, where the rocks are permanently covered with a layer of sediment.  Feeds mainly from the phytoplankton in the open water.  Territorial males feed from the biocover on the rocks (Ref. 5595).  Oviparous (Ref. 205).