HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesAfrican rivulinesGoby killi Goby killi (Aphyosemion franzwerneri) Scientific name: Aphyosemion franzwerneri Scheel, 1971 The Goby killi (Aphyosemion franzwerneri) is a freshwater fish of the family Nothobranchiidae. In the aquarium it needs water at 22–26°C (72–79°F). Native range: Africa, Cameroon. Goby killi care at a glanceTemperature22–26°C (72–79°F) BiologyOccurs in very small pools, shallows in swamps and shallow swampy parts of brooks in the rainforest. Not a seasonal killifish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAphyosemion franzwerneriFamilyNothobranchiidae (African rivulines)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentFreshwater;; pH range: 6.0 - 7.2; dH range: 1 - ? benthopelagic; non-migratoryClimateTropicalDistributionAfrica: Cameroon.Conservation status (IUCN)Endangered (EN) (B1ab(iii)+2ab(iii))Threat to humansHarmlessUsesFisheries: of no interest SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026