HomeFish encyclopediaRay-finned fishesFlatfishesRighteye floundersAlaska plaice Alaska plaice (Pleuronectes quadrituberculatus) Scientific name: Pleuronectes quadrituberculatus Pallas, 1814 The Alaska plaice (Pleuronectes quadrituberculatus) is a marine fish of the family Pleuronectidae. In the aquarium it needs water at 3–8°C (37–46°F). Native range: North Pacific, Peter the Great Bay to Point Hope in the Chukchi Sea south to Unalaska Island and east to Kayak Island in southeast Alaska. Alaska plaice care at a glanceTemperature3–8°C (37–46°F) BiologyFeeds mainly on polychaetes and amphipods.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePleuronectes quadrituberculatusFamilyPleuronectidae (Righteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length62.0Common length36.0Depth range0–600 m (0–1969 ft)EnvironmentMarine; demersal; depth range 0 - 600 mClimateTemperateDistributionNorth Pacific: Peter the Great Bay to Point Hope in the Chukchi Sea south to Unalaska Island and east to Kayak Island in southeast Alaska.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceLow, minimum population doubling time 4.5 - 14 years (K=0.1) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026