HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsBlue lampeye Blue lampeye (Hylopanchax stictopleuron) Scientific name: Hylopanchax stictopleuron Fowler, 1949 The Blue lampeye (Hylopanchax stictopleuron) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 20–24°C (68–75°F). Native range: Africa, upper Ivindo River and middle Congo River basin in Gabon, Congo and Democratic Republic of the Congo. Blue lampeye care at a glanceTemperature20–24°C (68–75°F) BiologySmall brooks and rivers, usually of the black water type, under forest cover. 4.5 cm max TL. Not a seasonal killifish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHylopanchax stictopleuronFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.5EnvironmentFreshwater;; pH range: 5.0 - 6.0; dH range: ? - 5 benthopelagic; non-migratoryClimateTropicalDistributionAfrica: upper Ivindo River and middle Congo River basin in Gabon, Congo and Democratic Republic of the Congo.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries:ResilienceHigh, 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