HomeFish encyclopediaRay-finned fishesSilversidesRainbowfishes, blue eyesSepik rainbowfish Sepik rainbowfish (Glossolepis multisquamata) Scientific name: Glossolepis multisquamata Weber & de Beaufort, 1922 The Sepik rainbowfish (Glossolepis multisquamata) is a freshwater fish of the family Melanotaeniidae. In the aquarium it needs water at 26–30°C (79–86°F). Native range: Asia and Oceania, New Guinea. Sepik rainbowfish care at a glanceTemperature26–30°C (79–86°F) BiologyDorsal spines (total): 5 - 7; Dorsal soft rays (total): 9-10; Anal spines: 1; Anal soft rays: 19 - 22Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGlossolepis multisquamataFamilyMelanotaeniidae (Rainbowfishes, blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentFreshwater;; pH range: 6.2 - 6.8; dH range: 8 - ? benthopelagicClimateTropicalDistributionAsia and Oceania: New Guinea.Conservation status (IUCN)Least Concern (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