HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsLake Rukwa sardine Lake Rukwa sardine (Chelaethiops rukwaensis) Scientific name: Chelaethiops rukwaensis Ricardo, 1939 The Lake Rukwa sardine (Chelaethiops rukwaensis) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 24–28°C (75–82°F). Native range: Africa, endemic to Lake Rukwa. Lake Rukwa sardine care at a glanceTemperature24–28°C (75–82°F) BiologyMaximum TL was recorded at 8 cm. Might support a substantial fishery if developed.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChelaethiops rukwaensisFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length10.0EnvironmentFreshwater;; pH range: ? - 8.5 benthopelagicClimateTropicalDistributionAfrica: endemic to Lake Rukwa.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessUsesFisheries: of potential interestResilienceHigh, 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