HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsOaxaca livebearer Oaxaca livebearer (Poeciliopsis lutzi) Scientific name: Poeciliopsis lutzi Meek, 1902 The Oaxaca livebearer (Poeciliopsis lutzi) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 24–28°C (75–82°F). Native range: Central America, Mexico. Oaxaca livebearer care at a glanceTemperature24–28°C (75–82°F) Species factsScientific namePoeciliopsis lutziFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.5EnvironmentFreshwater;; pH range: 7.0 - 7.7; dH range: 5 - 15 benthopelagicClimateTropicalDistributionCentral America: 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