HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsHispaniola molly Hispaniola molly (Poecilia hispaniolana) Scientific name: Poecilia hispaniolana Rivas, 1978 The Hispaniola molly (Poecilia hispaniolana) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 22–25°C (72–77°F). Native range: Central America, Haiti and Dominican Republic. Hispaniola molly care at a glanceTemperature22–25°C (72–77°F) Species factsScientific namePoecilia hispaniolanaFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.6EnvironmentFreshwater; benthopelagic; non-migratoryClimateTropicalDistributionCentral America: Haiti and Dominican Republic.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