HomeFish encyclopediaRay-finned fishesSilversidesRainbowfishes, blue eyesWaigeo rainbowfish Waigeo rainbowfish (Melanotaenia catherinae) Scientific name: Melanotaenia catherinae de Beaufort, 1910 The Waigeo rainbowfish (Melanotaenia catherinae) is a freshwater fish of the family Melanotaeniidae. Native range: Asia, known only from Waigeo (large island 65 km northwest of Irian Jaya, Indonesia). BiologyDorsal spines (total): 6 - 7; Dorsal soft rays (total): 11-13; Anal spines: 1; Anal soft rays: 19 - 21Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMelanotaenia catherinaeFamilyMelanotaeniidae (Rainbowfishes, blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length7.5EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAsia: known only from Waigeo (large island 65 km northwest of Irian Jaya, Indonesia).Conservation status (IUCN)Lower Risk: least concern (LR/lc)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