Petrotilapia nigra Marsh, 1983

Family:  Cichlidae (Cichlids), subfamily: Pseudocrenilabrinae
Max. size:  12.2 cm SL (male/unsexed)
Environment:  demersal; freshwater; depth range 3 - 30 m
Distribution:  Africa: Endemic to Lake Malawi. Occurs in Monkey Bay, Otter Point, Thumbi West and Domwe Islands.
Diagnosis:   
Biology:  Inhabits rocky habitats. Feeds from the sediment-free biocover on miniscule diatoms that use the algal strands as substrate. In deeper waters, this species feeds from the vertical faces of rocks (Ref. 5595).
IUCN Red List Status: Least Concern (LC); Date assessed: 20 June 2018 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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