HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsCuatrocienegas gambusia Cuatrocienegas gambusia (Gambusia longispinis) Scientific name: Gambusia longispinis Minckley, 1962 The Cuatrocienegas gambusia (Gambusia longispinis) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 23–28°C (73–82°F). Native range: North America, Cuatro Ci?negas basin in northern Mexico. Cuatrocienegas gambusia care at a glanceTemperature23–28°C (73–82°F) Species factsScientific nameGambusia longispinisFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentFreshwater;; pH range: 7.2 - 7.6; dH range: 10 - 25 benthopelagic; non-migratoryClimateTropicalDistributionNorth America: Cuatro Ci?negas basin in northern Mexico.Conservation status (IUCN)Vulnerable (VU) (A2c, D2)Threat 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