HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsDwarf molly Dwarf molly (Poecilia chica) Scientific name: Poecilia chica Miller, 1975 The Dwarf molly (Poecilia chica) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 23–26°C (73–79°F). Native range: North America, Jalisco, Mexico. Dwarf molly care at a glanceTemperature23–26°C (73–79°F) Species factsScientific namePoecilia chicaFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.0EnvironmentFreshwater;; pH range: 6.5 - 7.5; dH range: 10 - 20 benthopelagic; non-migratoryClimateTropicalDistributionNorth America: Jalisco, Mexico.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, 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