HomeFreshwater aquarium fishRainbowfish & killifishBoeseman's rainbowfish Boeseman's rainbowfish (Melanotaenia boesemani) Scientific name: Melanotaenia boesemani Allen & Cross, 1980 The Boeseman's rainbowfish (Melanotaenia boesemani) is a freshwater fish of the family Melanotaeniidae. In the aquarium it needs water at 27–30°C (81–86°F). Native range: Asia, known only from the Ajamaru Lakes region in Vogelkop Peninsula, Irian Jaya, Indonesia. Also in the Aitinjo Lake, 20 km southeast of Ajamaru Lakes. Boeseman's rainbowfish care at a glanceTemperature27–30°C (81–86°F) BiologyDorsal spines (total): 5 - 7; Dorsal soft rays (total): 10-14; Anal spines: 1; Anal soft rays: 17 - 23Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMelanotaenia boesemaniFamilyMelanotaeniidae (Rainbowfishes, blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length9.0EnvironmentFreshwater;; pH range: 7.0 - 8.0; dH range: 9 - 19 benthopelagicClimateTropicalDistributionAsia: known only from the Ajamaru Lakes region in Vogelkop Peninsula, Irian Jaya, Indonesia. Also in the Aitinjo Lake, 20 km southeast of Ajamaru Lakes.Conservation status (IUCN)Endangered (EN) (A1ad)Threat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More rainbowfish & killifishLake Kutubu rainbowfishMelanotaenia lacustrisTami River rainbowfishGlossolepis pseudoincisusRed rainbowfishGlossolepis incisusDwarf rainbowfishMelanotaenia praecoxForktail rainbowfishPseudomugil furcatusBlackfin pearlfishAustrolebias nigripinnisSee 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