HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsCuban topminnow Cuban topminnow (Girardinus cubensis) Scientific name: Girardinus cubensis Eigenmann, 1903 The Cuban topminnow (Girardinus cubensis) is a freshwater fish of the family Poeciliidae. Native range: Central America, Cuba. BiologyPrefers stagnant water in ponds, lakes and streams. Found in midwater and on the bottom, seldom at the surface, over soft bottoms, frequently with abundant aquatic vegetation. Feeds on aquatic vegetation, algae, detritus and insect larvae.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGirardinus cubensisFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length2.6EnvironmentFreshwater; benthopelagic; 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