HomeFreshwater aquarium fishRainbowfish & killifishLake Tebera rainbowfish Lake Tebera rainbowfish (Melanotaenia herbertaxelrodi) Scientific name: Melanotaenia herbertaxelrodi Allen, 1981 The Lake Tebera rainbowfish (Melanotaenia herbertaxelrodi) is a freshwater fish of the family Melanotaeniidae. In the aquarium it needs water at 20–26°C (68–79°F). Lake Tebera rainbowfish care at a glanceTemperature20–26°C (68–79°F) BiologyDorsal spines (total): 5 - 7; Dorsal soft rays (total): 10-16; Anal spines: 1; Anal soft rays: 17 - 25Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMelanotaenia herbertaxelrodiFamilyMelanotaeniidae (Rainbowfishes, blue eyes)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length9.0EnvironmentFreshwater;; pH range: 7.5 - 7.8; dH range: 10 - ? benthopelagicClimateTropicalDistributionOceania: known mainly from the Lake Tebera basin in the Southern Highlands of Papua New Guinea. A single specimen has been collected at Karamui, 38 km north of the lake.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More rainbowfish & killifishLake Kutubu rainbowfishMelanotaenia lacustrisTami River rainbowfishGlossolepis pseudoincisusRed rainbowfishGlossolepis incisusDwarf rainbowfishMelanotaenia praecoxForktail rainbowfishPseudomugil furcatusBlackfin pearlfishAustrolebias nigripinnisSee all rainbowfish & killifish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026