HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsBarred livebearer Barred livebearer (Carlhubbsia stuarti) Scientific name: Carlhubbsia stuarti Rosen & Bailey, 1959 The Barred livebearer (Carlhubbsia stuarti) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 23–27°C (73–81°F). Native range: Central America, Polochic River and Lake Izabal basins. Barred livebearer care at a glanceTemperature23–27°C (73–81°F) BiologyInhabits richly vegetated fast moving waters.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCarlhubbsia stuartiFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.5EnvironmentFreshwater; pelagic; non-migratoryClimateTropicalDistributionCentral America: Polochic River and Lake Izabal basins.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