HomeFish encyclopediaRay-finned fishesFlatfishesSolesBlack sole Black sole (Brachirus niger) Scientific name: Brachirus niger Macleay, 1880 The Black sole (Brachirus niger) is a brackish-water fish of the family Soleidae. Native range: Southwest Pacific, eastern Australia. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 56-62; Anal spines: 0; Anal soft rays: 44 - 52. Caudal fin rounded; pectorals small. Eyed side uniformly blackish or light brown with large patches of dark brown cirri, pectoral fin nearly black, dorsal, anal and caudal fins with narrow whitish margin; blind side creamy to white with brownish pigment on unpaired fins, pectorals whitish, lower portion blackish in some large specimens.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBrachirus nigerFamilySoleidae (Soles)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length35.0EnvironmentMarine; brackish; demersalClimateSubtropicalDistributionSouthwest Pacific: eastern Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026