HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersLong snout flounder Long snout flounder (Engyprosopon rostratum) Scientific name: Engyprosopon rostratum Amaoka, Mihara & Rivaton, 1993 The Long snout flounder (Engyprosopon rostratum) is a marine fish of the family Bothidae. Native range: Western Central Pacific, Chesterfield Plateau, Bellona Plateau, and southern New Caledonia. BiologyAnal soft rays: 67 - 76. Caudal fin long (1.15 to 1.33 times in head length) (Ref 42535).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEngyprosopon rostratumFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length7.0Depth range41–300 m (135–984 ft)EnvironmentMarine; bathydemersal; depth range 41 - 300 m, usually 200 - ? mClimateDeep-waterDistributionWestern Central Pacific: Chesterfield Plateau, Bellona Plateau, and southern New Caledonia.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