HomeFreshwater aquarium fishRainbowfish & killifishBluefin notho Bluefin notho (Nothobranchius rachovii) Scientific name: Nothobranchius rachovii Ahl, 1926 The Bluefin notho (Nothobranchius rachovii) is a freshwater fish of the family Nothobranchiidae. In the aquarium it needs water at 20–24°C (68–75°F). Native range: Africa, Mozambique and South Africa, marshes on the coastal plain near Beira and pans in the Kruger National Park. Bluefin notho care at a glanceTemperature20–24°C (68–75°F) BiologyOccurs in temporary pools and swamps in the drainage systems of coastal rivers. Bottom spawner, 4-6 months incubation. Is very difficult to maintain in aquarium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNothobranchius rachoviiFamilyNothobranchiidae (African rivulines)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentFreshwater;; pH range: 6.0 - 7.0; dH range: 4 - 6 benthopelagic; non-migratoryClimateTropicalDistributionAfrica: Mozambique and South Africa, marshes on the coastal plain near Beira and pans in the Kruger National Park.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercial More rainbowfish & killifishRed-Tailed SilversideBedotia geayiTwostripe lyretailAphyosemion bivittatumLyretail 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