HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsSickle barb Sickle barb (Barbus haasianus) Scientific name: Barbus haasianus David, 1936 The Sickle barb (Barbus haasianus) is a freshwater fish of the family Cyprinidae. BiologyDorsal spines (total): 2; Dorsal soft rays (total): 8-9; Anal spines: 2; Anal soft rays: 6. No lateral line. No barbels present on the small terminal mouth. Anal fin of the adult male elongated, sickle-shaped and can reach the tail. Eye very large.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBarbus haasianusFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length3.2EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAfrica: Okavango, upper Zambezi, Kafue, lower Zambezi and Pungwe systems. In the middle Congo basin present in the upper Lulua (Kasai drainage), in the upper Congo basin in the upper Lualaba, Luapula,, Lake Bangweulu and Bangweulu swamps.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