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Petrotilapia microgalana can be found in the rocky environments between Mdoka and Kande Island along the western side of the lake. This is a species with several geographic color variants like this one, which can be found in the neighbourhood of Ruarwe. This is one of the variants which were described before as Petrotilapia sp."ruarwe". In the lake the males of these species can grow to 17 cm, in the aquarium however they can grow taller because of a good feeding. The males can then grow to about 19 cm, females grow to about 15 cm. Petrotilapia microgalana can behave intolerant against equal species, against other inhabitants they are in general tolerant. You can best keep this species together with multiple females and other mbunas in an aquarium with a lot of hiding places. In the lake they are mainly feeding themselves with algae which they find on the rocks. In the aquarium they are comfortable with any food. They take everything they get offered, like spirulina pellets, mysis, artemia, cyclops and shrimp-peas mix. Food rich of algae like spirulina pellets or flakes is very important to them so this should not be missing on their menu. 
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