HomeFish encyclopediaRay-finned fishesSilversidesRainbowfishes, blue eyesRed-finned rainbowfish Red-finned rainbowfish (Melanotaenia rubripinnis) Scientific name: Melanotaenia rubripinnis Allen & Renyaan, 1998 The Red-finned rainbowfish (Melanotaenia rubripinnis) is a freshwater fish of the family Melanotaeniidae. Native range: Asia, Wapoga River system in northern Irian Jaya, Indonesia. BiologyDorsal spines (total): 4 - 6; Dorsal soft rays (total): 14-19; Anal spines: 1; Anal soft rays: 22 - 28Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMelanotaenia rubripinnisFamilyMelanotaeniidae (Rainbowfishes, blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length10.2EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAsia: Wapoga River system in northern Irian Jaya, Indonesia.Conservation status (IUCN)Not EvaluatedThreat 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