HomeFreshwater aquarium fishRainbowfish & killifishChristy's Lyretail Christy's Lyretail (Aphyosemion christyi) Scientific name: Aphyosemion christyi Boulenger, 1915 The Christy's Lyretail (Aphyosemion christyi) is a freshwater fish of the family Nothobranchiidae. In the aquarium it needs water at 20–24°C (68–75°F). Native range: Africa, middle and upper Congo River system (Central African Republic, Congo and Democratic Republic of the Congo). Christy's Lyretail care at a glanceTemperature20–24°C (68–75°F) BiologyIt occurs mainly in the weedy and shallow parts of brooks, small streams, pools and swamps; these brooks are located in forested savannah. It is not a seasonal killifish and difficult to maintain in aquarium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAphyosemion christyiFamilyNothobranchiidae (African rivulines)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentFreshwater;; pH range: 6.0 - 6.5; dH range: 10 - ? benthopelagic; non-migratoryClimateTropicalDistributionAfrica: middle and upper Congo River system (Central African Republic, Congo and Democratic Republic of the Congo).Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries:; aquarium: 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