HomeFreshwater aquarium fishRainbowfish & killifishCaudal-stripe killi Caudal-stripe killi (Aphyosemion caudofasciatum) Scientific name: Aphyosemion caudofasciatum Huber & Radda, 1979 The Caudal-stripe killi (Aphyosemion caudofasciatum) is a freshwater fish of the family Nothobranchiidae. In the aquarium it needs water at 18–22°C (64–72°F). Native range: Africa, Endemic to brooks in the Zanaga area, upper Ogowe drainage system, southern Congo. Caudal-stripe killi care at a glanceTemperature18–22°C (64–72°F) BiologyOccurs in brooks under forest cover. Not a seasonal killifish. Is difficult to maintain in aquarium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAphyosemion caudofasciatumFamilyNothobranchiidae (African rivulines)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentFreshwater;; pH range: 5.8 - 7.2 benthopelagic; non-migratoryClimateTropicalDistributionAfrica: Endemic to brooks in the Zanaga area, upper Ogowe drainage system, southern Congo.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesAquarium: commercial More rainbowfish & killifishTwostripe lyretailAphyosemion bivittatumRed-Tailed SilversideBedotia geayiLyretail panchaxAphyosemion australeCelebes rainbowfishMarosatherina ladigesiCelebes rainbowTelmatherina celebensisMarmorated medakaOryzias marmoratusSee all rainbowfish & killifish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026