HomeFish encyclopediaRay-finned fishesPerch-like fishPorgiesBlack musselcracker Black musselcracker (Cymatoceps nasutus) Scientific name: Cymatoceps nasutus Castelnau, 1861 The Black musselcracker (Cymatoceps nasutus) is a brackish-water fish of the family Sparidae. Native range: Western Indian Ocean, Natal to the Cape in South Africa. BiologyInhabits shallow, rocky coastal areas to 80 m depth. Rarely enters estuaries. Feeds on crabs, crayfish, sea urchins and other hard-shelled animals. Takes almost any bait. Important food fish. Head considered a delicacy in some areas.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCymatoceps nasutusFamilySparidae (Porgies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length150Depth range80 m (262 ft)EnvironmentMarine; brackish; demersal; depth range ? - 80 mClimateSubtropicalDistributionWestern Indian Ocean: Natal to the Cape in South Africa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; gamefish: yesResilienceVery Low, minimum population doubling time more than 14 years (K=0.05; tmax=45) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026