HomeFish encyclopediaRay-finned fishesFlatfishesRighteye floundersMarbled flounder Marbled flounder (Pseudopleuronectes yokohamae) Scientific name: Pseudopleuronectes yokohamae G?nther, 1877 The Marbled flounder (Pseudopleuronectes yokohamae) is a marine fish of the family Pleuronectidae. Native range: Northwest Pacific, southern Hokkaido, Japan to the Yellow Sea, the Gulf of Bo Hai, and the northern part of the East China Sea, including Korea. BiologyInhabits sandy and muddy bottoms in coastal areas. Carnivore, feeds mainly on polychaetes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudopleuronectes yokohamaeFamilyPleuronectidae (Righteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length45.0EnvironmentMarine; demersalClimateTemperateDistributionNorthwest Pacific: southern Hokkaido, Japan to the Yellow Sea, the Gulf of Bo Hai, and the northern part of the East China Sea, including Korea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; aquaculture: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.20-0.36; tmax=10) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026