HomeFish encyclopediaRay-finned fishesPerch-like fishJacks and pompanosBicolor jack Bicolor jack (Hemicaranx bicolor) Scientific name: Hemicaranx bicolor G?nther, 1860 The Bicolor jack (Hemicaranx bicolor) is a brackish-water fish of the family Carangidae. BiologyMainly coastal, entering brackish water. Common mostly in midwater and near bottom.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemicaranx bicolorFamilyCarangidae (Jacks and pompanos)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length70.0Common length25.0EnvironmentMarine; brackish; demersalClimateTropicalDistributionEastern Atlantic: Along the west African coast from Sierra Leone to Angola. Reported from the Sine-Saloum Estuary in Senegal, the Gambia River in Gambiaand the Fatala River in Guinea and Mauritania.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