HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsSan Felipe gambusia San Felipe gambusia (Gambusia clarkhubbsi) Scientific name: Gambusia clarkhubbsi Garrett & Edwards, 2003 The San Felipe gambusia (Gambusia clarkhubbsi) is a freshwater fish of the family Poeciliidae. Native range: North America, San Felipe Creek in Texas, U.S.A. Species factsScientific nameGambusia clarkhubbsiFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.8EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: San Felipe Creek in Texas, U.S.A.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