HomeFish encyclopediaRay-finned fishesSilversidesRainbowfishes, blue eyesSentani rainbowfish Sentani rainbowfish (Chilatherina sentaniensis) Scientific name: Chilatherina sentaniensis Weber, 1907 The Sentani rainbowfish (Chilatherina sentaniensis) is a freshwater fish of the family Melanotaeniidae. In the aquarium it needs water at 24–28°C (75–82°F). Native range: Asia, known only from Lake Sentani in Irian Jaya, Indonesia. Sentani rainbowfish care at a glanceTemperature24–28°C (75–82°F) BiologyDorsal spines (total): 5 - 7; Dorsal soft rays (total): 9-12; Anal spines: 1; Anal soft rays: 21 - 26Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChilatherina sentaniensisFamilyMelanotaeniidae (Rainbowfishes, blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length10.0EnvironmentFreshwater; pelagicClimateTropicalDistributionAsia: known only from Lake Sentani in Irian Jaya, Indonesia.Conservation status (IUCN)Critically Endangered (CR) (A1ace)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