HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsSleek mosquitofish Sleek mosquitofish (Gambusia luma) Scientific name: Gambusia luma Rosen & Bailey, 1963 The Sleek mosquitofish (Gambusia luma) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 26–28°C (79–82°F). Native range: Central America, Belize, Guatemala and Honduras. Sleek mosquitofish care at a glanceTemperature26–28°C (79–82°F) Species factsScientific nameGambusia lumaFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length4.2EnvironmentFreshwater; brackish;; pH range: 7.2 - 7.8; dH range: 10 - 25 benthopelagicClimateTropicalDistributionCentral America: Belize, Guatemala and Honduras.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026