HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsNeumayer's barb Neumayer's barb (Barbus neumayeri) Scientific name: Barbus neumayeri Fischer, 1884 The Neumayer's barb (Barbus neumayeri) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 23–27°C (73–81°F). Neumayer's barb care at a glanceTemperature23–27°C (73–81°F) BiologyDorsal soft rays (total): 7-8; Anal soft rays: 5 - 6Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBarbus neumayeriFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length11.8EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAfrica: widely distributed in eastern Africa (Kenya, Uganda), Lakes Tanganyika and Basuto, Rwanda, Lake Victoria and its tributaries and Semliki River. Also in the Lukuga, and possibly in the Lualaba (upper Congo River basin).Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, 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