HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsLake Rukwa minnow Lake Rukwa minnow (Raiamas moorii) Scientific name: Raiamas moorii Boulenger, 1900 The Lake Rukwa minnow (Raiamas moorii) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 24–26°C (75–79°F). Native range: Africa, Lake Tanganyika, Lake Kivu and Lake Rukwa. Lake Rukwa minnow care at a glanceTemperature24–26°C (75–79°F) BiologyInhabits Rivers and sandy bays in lakes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRaiamas mooriiFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length22.0EnvironmentFreshwater;; pH range: 6.5 - 7.5; dH range: 12 - ? benthopelagicClimateTropicalDistributionAfrica: Lake Tanganyika, Lake Kivu and Lake Rukwa.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (K=0.7) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026