HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsChampoton gambusia Champoton gambusia (Carlhubbsia kidderi) Scientific name: Carlhubbsia kidderi Hubbs, 1936 The Champoton gambusia (Carlhubbsia kidderi) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 24–30°C (75–86°F). Native range: Central America, Mexico to Guatemala. Champoton gambusia care at a glanceTemperature24–30°C (75–86°F) Species factsScientific nameCarlhubbsia kidderiFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentFreshwater;; pH range: 7.0 - 7.8; dH range: 20 - 2060 pelagic; non-migratoryClimateTropicalDistributionCentral America: Mexico to Guatemala.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (tm=0.3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026