HomeFish encyclopediaRay-finned fishesFlatfishesRighteye floundersFar Eastern smooth flounder Far Eastern smooth flounder (Liopsetta pinnifasciata) Scientific name: Liopsetta pinnifasciata Kner, 1870 The Far Eastern smooth flounder (Liopsetta pinnifasciata) is a freshwater fish of the family Pleuronectidae. Native range: Northwest Pacific, Japan, Kuril Islands, Russia. Species factsScientific nameLiopsetta pinnifasciataFamilyPleuronectidae (Righteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length50.0EnvironmentMarine; freshwater; brackish; demersalClimateTemperateDistributionNorthwest Pacific: Japan, Kuril Islands, Russia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026