HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsLowland livebearer Lowland livebearer (Poeciliopsis latidens) Scientific name: Poeciliopsis latidens Garman, 1895 The Lowland livebearer (Poeciliopsis latidens) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 24–30°C (75–86°F). Native range: Central America, Rio del Fuerte to San Blas in Nayarit, Mexico. Lowland livebearer care at a glanceTemperature24–30°C (75–86°F) BiologyFound mainly in brackish and salt water, but also occasionally in fresh water.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePoeciliopsis latidensFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentMarine; freshwater; brackish;; pH range: ? - 8.0; dH range: ? - 2.29999995231628 pelagic-neriticClimateTropicalDistributionCentral America: Rio del Fuerte to San Blas in Nayarit, Mexico.Conservation status (IUCN)Near Threatened (NT)Threat 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