HomeFish encyclopediaRay-finned fishesPerch-like fishPorgiesSand steenbras Sand steenbras (Lithognathus mormyrus) Scientific name: Lithognathus mormyrus Linnaeus, 1758 The Sand steenbras (Lithognathus mormyrus) is a brackish-water fish of the family Sparidae. BiologyFound on the shelf, over sandy and muddy bottoms as well as seagrass-beds and estuaries. Gregarious, sometimes forming sizeable schools. Feeds on worms, mollusks and small crustaceans. Protandric hermaphrodite. Flesh excellent; sold fresh and dried.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLithognathus mormyrusFamilySparidae (Porgies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length55.0Common length30.0Depth range0–150 m (0–492 ft)EnvironmentMarine; brackish; demersal; depth range 0 - 150 m, usually 10 - 20 mClimateSubtropicalDistributionEastern Atlantic: Bay of Biscay, Strait of Gibraltar and Mediterranean, Black, and Azov seas to Cape of Good Hope, South Africa and the Mozambique Channel. Also found around the Canary Islands, Cape Verde and Madeira Is. Western Indian Ocean: Red Sea; southern Mozambique to the Cape of Good Hope; not found in tropical east Africa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; gamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.24; tm=2) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026