HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsChubby livebearer Chubby livebearer (Poeciliopsis viriosa) Scientific name: Poeciliopsis viriosa Miller, 1960 The Chubby livebearer (Poeciliopsis viriosa) 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, Rio Ameca basin in Jalisco and south Nayarit to he Rio Mocorito in Sinaloa, Mexico. Chubby livebearer care at a glanceTemperature24–28°C (75–82°F) Species factsScientific namePoeciliopsis viriosaFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length3.5EnvironmentFreshwater;; pH range: 6.5 - 7.2; dH range: 3 - 10 benthopelagicClimateTropicalDistributionCentral America: Rio Ameca basin in Jalisco and south Nayarit to he Rio Mocorito in Sinaloa, 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