HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersSpeckled-tail flounder Speckled-tail flounder (Engyophrys sanctilaurentii) Scientific name: Engyophrys sanctilaurentii Jordan & Bollman, 1890 The Speckled-tail flounder (Engyophrys sanctilaurentii) is a marine fish of the family Bothidae. Native range: Eastern Central Pacific, Mexico to Peru. BiologyFound on mud, sand, or rubble bottoms. Utilized as fishmeal.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEngyophrys sanctilaurentiiFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Depth range46–232 m (151–761 ft)EnvironmentMarine; demersal; depth range 46 - 232 mClimateTropicalDistributionEastern Central Pacific: Mexico to Peru.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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