Pleuronectes quadrituberculatus Pallas, 1814
Alaska plaice
Pleuronectes quadrituberculatus
photo by Miller, T.

Family:  Pleuronectidae (Righteye flounders), subfamily: Pleuronectinae
Max. size:  87 cm TL (male/unsexed); max.weight: 3,500.0 g; max. reported age: 37 years
Environment:  bathydemersal; marine; depth range 0 - 600 m
Distribution:  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.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 63-74; Anal spines: 0-0; Anal soft rays: 47-55. 5 high prominences on postocular ridge (Ref. 559).
Biology:  Adults feed mainly on polychaetes and amphipods (Ref. 27301).
IUCN Red List Status: Least Concern (LC); Date assessed: 05 November 2020 Ref. (130435)
Threat to humans:  harmless


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