HomeFish encyclopediaRay-finned fishesFlatfishesSolesWhite-margined sole White-margined sole (Synaptura marginata) Scientific name: Synaptura marginata Boulenger, 1900 The White-margined sole (Synaptura marginata) is a brackish-water fish of the family Soleidae. Native range: Indo-West Pacific, Mozambique Channel to Natal, South Africa. Also known from Japan and the Philippines. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 70-76; Anal spines: 0; Anal soft rays: 54 - 63; Vertebrae: 46. Dark brown, sometimes with darker specks; dorsal and anal fins with pale edges; right pectoral fin blackish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSynaptura marginataFamilySoleidae (Soles)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Depth range40 m (131 ft)EnvironmentMarine; brackish; demersal; depth range ? - 40 mClimateTropicalDistributionIndo-West Pacific: Mozambique Channel to Natal, South Africa. Also known from Japan and the Philippines.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: 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