HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsCatemaco livebearer Catemaco livebearer (Poeciliopsis catemaco) Scientific name: Poeciliopsis catemaco Miller, 1975 The Catemaco livebearer (Poeciliopsis catemaco) 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, Laguna de Catemaco in Veracruz, Mexico. Catemaco livebearer care at a glanceTemperature24–28°C (75–82°F) Species factsScientific namePoeciliopsis catemacoFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length4.0EnvironmentFreshwater;; pH range: 7.0 - 7.8; dH range: 10 - 25 benthopelagicClimateTropicalDistributionCentral America: Laguna de Catemaco in Veracruz, 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