HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsUsangu lampeye Usangu lampeye (Lacustricola usanguensis) Scientific name: Lacustricola usanguensis Wildekamp, 1977 The Usangu lampeye (Lacustricola usanguensis) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 17–22°C (63–72°F). Native range: Africa, Upper Little Ruaha river drainage, southwestern Tanzania. Usangu lampeye care at a glanceTemperature17–22°C (63–72°F) BiologyOccurs in swamps, little streams and brooks in the river drainage. Not a seasonal killifish. Is difficult to maintain in aquarium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLacustricola usanguensisFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.0Common length2.5EnvironmentFreshwater;; pH range: 6.5 - 7.2 benthopelagic; non-migratoryClimateTropicalDistributionAfrica: Upper Little Ruaha river drainage, southwestern Tanzania.Conservation status (IUCN)Vulnerable (VU) (D2)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