HomeFish encyclopediaRay-finned fishesSilversidesRainbowfishes, blue eyesOgilby's rainbowfish Ogilby's rainbowfish (Melanotaenia ogilbyi) Scientific name: Melanotaenia ogilbyi Weber, 1910 The Ogilby's rainbowfish (Melanotaenia ogilbyi) is a freshwater fish of the family Melanotaeniidae. Native range: Asia, known only on the basis of 7 specimens collected from the Lower Lorentz River, Irian Jaya, Indonesia. BiologyDorsal spines (total): 6 - 7; Dorsal soft rays (total): 11; Anal spines: 1; Anal soft rays: 17 - 18Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMelanotaenia ogilbyiFamilyMelanotaeniidae (Rainbowfishes, blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length7.0EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAsia: known only on the basis of 7 specimens collected from the Lower Lorentz River, Irian Jaya, Indonesia.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026