HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsBig tailed lampeye Big tailed lampeye (Aplocheilichthys macrurus) Scientific name: Aplocheilichthys macrurus Boulenger, 1904 The Big tailed lampeye (Aplocheilichthys macrurus) is a freshwater fish of the family Poeciliidae. Native range: Africa, northern and central Angola, possibly including the upper Kasai river drainage. Also reported from Namibia. BiologyOccurs in small rivers, brooks, swamps and shallow parts of larger rivers and lakes. Not a seasonal killifish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAplocheilichthys macrurusFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentFreshwater; benthopelagic; non-migratoryClimateTropicalDistributionAfrica: northern and central Angola, possibly including the upper Kasai river drainage. Also reported from Namibia.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