HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsRosefin barb Rosefin barb (Barbus argenteus) Scientific name: Barbus argenteus G?nther, 1868 The Rosefin barb (Barbus argenteus) is a freshwater fish of the family Cyprinidae. BiologyInhabits pools and riffles in clear rocky streams. Feeds on aquatic and adult flying insects and takes trout flies.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBarbus argenteusFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length19.7EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAfrica: Pongolo and Incomati rivers of South Africa as well as Cunene and Cuanza rivers of Angola. Similar to, and possibly even the same species as the silver barb, Barbus choloensis.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: 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