HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsSinglespot topminnow Singlespot topminnow (Girardinus uninotatus) Scientific name: Girardinus uninotatus Poey, 1860 The Singlespot topminnow (Girardinus uninotatus) 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. Singlespot topminnow care at a glanceTemperature24–28°C (75–82°F) BiologyInhabits streams, preferring pools and areas along banks, occasionally in swift water. Feeds on diatoms, algae, leaves of plants, detritus and insect larvae.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGirardinus uninotatusFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length4.7EnvironmentFreshwater; 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