HomeFreshwater aquarium fishGouramis & bettasDwarf ctenopoma Dwarf ctenopoma (Microctenopoma nanum) Scientific name: Microctenopoma nanum G?nther, 1896 The Dwarf ctenopoma (Microctenopoma nanum) is a freshwater fish of the family Anabantidae. In the aquarium it needs water at 18–24°C (64–75°F). Native range: Africa, southern Cameroon, Gabon and Congo basin. Dwarf ctenopoma care at a glanceTemperature18–24°C (64–75°F) Species factsScientific nameMicroctenopoma nanumFamilyAnabantidae (Climbing gouramies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.0EnvironmentFreshwater;; pH range: 6.0 - 7.2; dH range: ? - 15 benthopelagicClimateTropicalDistributionAfrica: southern Cameroon, Gabon and Congo basin.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gouramis & bettasOrnate ctenopomaMicroctenopoma ansorgiiSpotted ctenopomaCtenopoma acutirostreBadisBadis badisChocolate gouramiSphaerichthys osphromenoidesSlim bettaBetta bellicaCrescent bettaBetta imbellisSee all gouramis & bettas SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026