Cryptic species between rocks near shore . Occurs in the upper 2-3 m of the water column . Feeds by scraping loose algae from the vertical faces of boulders in turbulent water . In order to cope with the movement of the surge its feeding speed is fast; very shy species; males are territorial and hide in large caves when threatened . Often solitary but more than 2 individuals may be seen at once .
Physical description for Petrochromis Macrognathus is currently being compiled.
Behavioural data for Petrochromis Macrognathus is currently being reviewed.
Freshwater; demersal; depth range 0 - 0 m . Tropical; 24°C - 26°C ; 3°S - 9°S north of Cape Kabogo (Ref.
The following diseases are known to affect Petrochromis Macrognathus.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
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