HomeFreshwater aquarium fishRainbowfish & killifishG?rys killi G?rys killi (Scriptaphyosemion geryi) Scientific name: Scriptaphyosemion geryi Lambert, 1958 The G?rys killi (Scriptaphyosemion geryi) is a freshwater fish of the family Nothobranchiidae. In the aquarium it needs water at 18–28°C (64–82°F). Native range: Africa, mouth of the Gambia river southward to the area around Port Loko, southeastern Sierra Leone, Guinea, Senegal. G?rys killi care at a glanceTemperature18–28°C (64–82°F) BiologyOccurs in pools, swamps, brooks and small streams in the forested coastal savanna. Not a seasonal killifish. Is difficult to maintain in aquarium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameScriptaphyosemion geryiFamilyNothobranchiidae (African rivulines)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentFreshwater;; pH range: 5.5 - 6.5 benthopelagic; non-migratoryClimateTropicalDistributionAfrica: mouth of the Gambia river southward to the area around Port Loko, southeastern Sierra Leone, Guinea, Senegal.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest; 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