HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsJae barb Jae barb (Barbus jae) Scientific name: Barbus jae Boulenger, 1903 The Jae barb (Barbus jae) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 21–25°C (70–77°F). Jae barb care at a glanceTemperature21–25°C (70–77°F) BiologyDorsal spines (total): 3; Dorsal soft rays (total): 8; Vertebrae: 29 - 31. With one infraorbital bone without sensory canal behind the lacrimal; three unbranched dorsal-fin rays, the last one not enlarged or serrated; a large humeral spot, eventually superposed by a vertical bar, followed by 3-11 vertical bars, the first always under the dorsal-fin origin, and a caudal spot.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBarbus jaeFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length3.8EnvironmentFreshwater;; pH range: 5.5 - 6.0; dH range: 1 - 5 benthopelagicClimateTropicalDistributionAfrica: various rivers from the Wouri in Cameroon to the Kouilou-Niari in Republic of Congo. Also in the lower, middle and upper Congo River basin in Cameroon, Republic of Congo and Democratic Republic of the Congo.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (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