HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsBalsas livebearer Balsas livebearer (Poeciliopsis balsas) Scientific name: Poeciliopsis balsas Hubbs, 1926 The Balsas livebearer (Poeciliopsis balsas) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 24–27°C (75–81°F). Native range: Central America, Rio Balsas basin, Rio Arteaga and Rio Aguililla in Michoacan, Mexico. Balsas livebearer care at a glanceTemperature24–27°C (75–81°F) Species factsScientific namePoeciliopsis balsasFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.5EnvironmentFreshwater;; pH range: 7.0 - 7.5; dH range: 5 - 10 benthopelagicClimateTropicalDistributionCentral America: Rio Balsas basin, Rio Arteaga and Rio Aguililla in Michoacan, 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