Petrotilapia chrysos Stauffer & van Snik 1996

Dorsal spines (total): 16 - 19; Dorsal soft rays (total): 7 - 10; Analspines: 3; Analsoft rays: 6 - 8

Scrapes algae from the rock over which it lives. Found foraging in the water column presumably on both phytoplankton and zooplankton.