HomeFreshwater aquarium fishGuppies & livebearersPacific foureyed fish Pacific foureyed fish (Anableps dowei) Scientific name: Anableps dowei Gill, 1861 The Pacific foureyed fish (Anableps dowei) is a freshwater fish of the family Anablepidae. In the aquarium it needs water at 24–28°C (75–82°F). Native range: Central America, Pacific drainages, from southern Mexico to Nicaragua. Pacific foureyed fish care at a glanceTemperature24–28°C (75–82°F) BiologyOccurs in fresh water to full salinity coastal lagoons. Used in eye research.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAnableps doweiFamilyAnablepidae (Four-eyed fishes, onesided livebearers & white-eye)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length22.0EnvironmentMarine; freshwater; brackish; demersalClimateTropicalDistributionCentral America: Pacific drainages, from southern Mexico to Nicaragua.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More guppies & livebearersBlackbarred limiaLimia nigrofasciataRedtail splitfinXenotoca eiseniMosquitofishGambusia affinisSailfin mollyPoecilia latipinnaGuppyPoecilia reticulataGreen swordtailXiphophorus helleriiSee all guppies & livebearers SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026