HomeFish encyclopediaRay-finned fishesPerch-like fishPorgiesBlue hottentot Blue hottentot (Pachymetopon aeneum) Scientific name: Pachymetopon aeneum Gilchrist & Thompson, 1908 The Blue hottentot (Pachymetopon aeneum) is a marine fish of the family Sparidae. Native range: Western Indian Ocean, known only from Sodwana Bay to the Cape in South Africa. BiologyFound on rocky substrate. Feeds on benthic organisms like worms, ascidians, crustaceans, mollusks and algae. Rarely caught by shore anglers. Esteemed food fish. Sold fresh in markets.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePachymetopon aeneumFamilySparidae (Porgies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length55.0Common length30.0Depth range20–50 m (66–164 ft)EnvironmentMarine; demersal; depth range 20 - 50 mClimateSubtropicalDistributionWestern Indian Ocean: known only from Sodwana Bay to the Cape in South Africa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; gamefish: yesResilienceLow, minimum population doubling time 4.5 - 14 years (K=0.13; tmax=12) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026