HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsElegant molly Elegant molly (Poecilia elegans) Scientific name: Poecilia elegans Trewavas, 1948 The Elegant molly (Poecilia elegans) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 21–24°C (70–75°F). Native range: Central America, Dominican Republic. Elegant molly care at a glanceTemperature21–24°C (70–75°F) Species factsScientific namePoecilia elegansFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.6EnvironmentFreshwater;; pH range: 7.0 - 7.5; dH range: 10 - 20 benthopelagic; non-migratoryClimateTropicalDistributionCentral America: 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