HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsSinaloa livebearer Sinaloa livebearer (Poeciliopsis presidionis) Scientific name: Poeciliopsis presidionis Jordan & Culver, 1895 The Sinaloa livebearer (Poeciliopsis presidionis) is a freshwater fish of the family Poeciliidae. Native range: Central America, Rio Sinaloa in Sinaloa to San Blas in Nayarit, Mexico. Species factsScientific namePoeciliopsis presidionisFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.5EnvironmentFreshwater; benthopelagicClimateSubtropicalDistributionCentral America: Rio Sinaloa in Sinaloa to San Blas in Nayarit, Mexico.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