HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsRedspot barb Redspot barb (Barbus kerstenii) Scientific name: Barbus kerstenii Peters, 1868 The Redspot barb (Barbus kerstenii) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 23–26°C (73–79°F). Redspot barb care at a glanceTemperature23–26°C (73–79°F) BiologyOccurs in mountain streams and along vegetated fringes of large rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBarbus kersteniiFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length9.0EnvironmentFreshwater;; pH range: 6.5 - 7.5; dH range: 18 - ? benthopelagicClimateTropicalDistributionAfrica: Cunene, Okavango, upper Zambezi, tributaries of the lower Zambezi and the Save-Runde systems. Also widespread in central and East Africa to the Lake Victoria basin, including Lake Tanganyika and Lake Kivu.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