HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsRuaha lampeye Ruaha lampeye (Lacustricola omoculatus) Scientific name: Lacustricola omoculatus Wildekamp, 1977 The Ruaha lampeye (Lacustricola omoculatus) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 16–22°C (61–72°F). Native range: Africa, Known only from its type locality, a swampy area in the upper Great Ruaha river drainage, central Tanzania. Ruaha lampeye care at a glanceTemperature16–22°C (61–72°F) BiologyNot a seasonal killifish. Is difficult to maintain in aquarium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLacustricola omoculatusFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.5Common length3.0EnvironmentFreshwater;; pH range: 6.3 - 7.2; dH range: ? - 1 benthopelagic; non-migratoryClimateTropicalDistributionAfrica: Known only from its type locality, a swampy area in the upper Great Ruaha river drainage, central 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