HomeFreshwater aquarium fishRainbowfish & killifishKamaka rainbowfish Kamaka rainbowfish (Melanotaenia kamaka) Scientific name: Melanotaenia kamaka Allen & Renyaan, 1996 The Kamaka rainbowfish (Melanotaenia kamaka) is a freshwater fish of the family Melanotaeniidae that grows to about 14 cm (5.5 in). It is difficult to keep and peaceful, needs carefully chosen tank mates and needs a tank of at least 210 L (55 US gal), water at 18–22°C (64–72°F) and a pH of 6.5–7.2. Native range: Australia, Northern Territory and Queensland. Kamaka rainbowfish care at a glanceCare levelDifficultTemperamentPeacefulCommunity tankWith cautionAdult size14 cm (5.5 in)Minimum tank210 L (55 US gal)Temperature18–22°C (64–72°F)pH6.5–7.2DietOmnivore. Accepts flakes, frozen foods and live foods. BiologyDorsal spines (total): 4 - 6; Dorsal soft rays (total): 10-13; Anal spines: 1; Anal soft rays: 19 - 22Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMelanotaenia kamakaFamilyMelanotaeniidae (Rainbowfishes, blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length6.1Depth range0–2 m (0–7 ft)EnvironmentFreshwater; benthopelagic; depth range 0 - 2 mClimateTropicalDistributionAsia: restricted to Lake Kamaka, Irian Jaya, Indonesia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More rainbowfish & killifishYellowbelly gudgeonAllomogurnda nesolepisFlagfishJordanella floridaeBluefin killifishLucania goodeiBanded rainbowfishMelanotaenia trifasciataStriped panchaxAplocheilus lineatusRedtail nothoNothobranchius guentheriSee all rainbowfish & killifish Can it live with...?Kamaka rainbowfish and Banded rainbowfishKamaka rainbowfish and Blackfin pearlfishKamaka rainbowfish and Dwarf rainbowfishKamaka rainbowfish and Javanese ricefishKamaka rainbowfish and Lake Kutubu rainbowfishKamaka rainbowfish and Mountain rainbowfishKamaka rainbowfish and Murray river rainbowfishKamaka rainbowfish and Red rainbowfishKamaka rainbowfish and Tami River rainbowfishKamaka 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