HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsBarred topminnow Barred topminnow (Quintana atrizona) Scientific name: Quintana atrizona Hubbs, 1934 The Barred topminnow (Quintana atrizona) 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, Cuba. Barred topminnow care at a glanceTemperature24–28°C (75–82°F) BiologyOccurs in ponds and prefers dense thickets of aquatic vegetation.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameQuintana atrizonaFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length2.0EnvironmentFreshwater;; pH range: 6.8 - ?; dH range: 12 - 15 demersal; non-migratoryClimateTropicalDistributionCentral America: Cuba.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