HomeFreshwater aquarium fishRainbowfish & killifishTami River rainbowfish Tami River rainbowfish (Glossolepis pseudoincisus) Scientific name: Glossolepis pseudoincisus Allen & Cross, 1980 The Tami River rainbowfish (Glossolepis pseudoincisus) is a freshwater fish of the family Melanotaeniidae that grows to about 8 cm (3.1 in). It is easy to keep and peaceful, is best kept in a species tank and needs a tank of at least 210 L (55 US gal), water at 22–24°C (72–75°F) and a pH of 7.0–8.0. Native range: Indonesia, Known only from an isolated oxbow lake (lake IfaNten) near the Tami River, about 23 km southeast of Jayapura, Irian Jaya, Indonesia. Tami River rainbowfish care at a glanceCare levelEasyTemperamentPeacefulCommunity tankNot suitableAdult size8 cm (3.1 in)Minimum tank210 L (55 US gal)Temperature22–24°C (72–75°F)pH7.0–8.0Hardness9–19 dGH (161–339 ppm)DietOmnivore. Accepts flakes, frozen foods and live foods. BiologyDorsal spines (total): 6 - 7; Dorsal soft rays (total): 10-12; Anal spines: 1; Anal soft rays: 18 - 22Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGlossolepis pseudoincisusFamilyMelanotaeniidae (Rainbowfishes, blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length8.0EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAsia: known only from one collection taken in 1954 from an isolated oxbow lake near the Tami River, about 23 km southeast of Jayapura, 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.) More rainbowfish & killifishRed rainbowfishGlossolepis incisusLake Kutubu rainbowfishMelanotaenia lacustrisDwarf rainbowfishMelanotaenia praecoxForktail rainbowfishPseudomugil furcatusBlackfin pearlfishAustrolebias nigripinnisJavanese ricefishOryzias javanicusSee all rainbowfish & killifish Can it live with...?Tami River rainbowfish and Banded rainbowfishTami River rainbowfish and Blackfin pearlfishTami River rainbowfish and Dwarf rainbowfishTami River rainbowfish and Forktail rainbowfishTami River rainbowfish and Javanese ricefishTami River rainbowfish and Kamaka rainbowfishTami River rainbowfish and Lake Kutubu rainbowfishTami River rainbowfish and Mountain rainbowfishTami River rainbowfish and Murray river rainbowfishTami River rainbowfish and Red rainbowfishTami River rainbowfish and Yellowbelly gudgeon SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.Last updated 28 September 2026