Teleostei (teleosts) >
Pleuronectiformes (Flatfishes) >
Pleuronectidae (Righteye flounders) > Pleuronectinae
Etymology: Lepidopsetta: Greek, lepis = scale + Greek, psetta = grouper (Ref. 45335); polyxystra: From the numerous gill rakers of this fish compared with congeneric species.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 0 - 700 m (Ref. 50550), usually 19 - 246 m (Ref. 37594). Temperate
North Pacific: Puget Sound, Washington (USA) through the Bering Sea and Aleutian Islands to the Kuril Islands; overlapping with L. bilineata from the extreme SE Bering Sea to Puget Sound; and with L. mochigarei in the southern Sea of Okhotsk.
Length at first maturity / Size / Weight / Age
Maturity: Lm 30.9  range ? - ? cm
Max length : 69.0 cm TL male/unsexed; (Ref. 37594); 49.0 cm FL (female); max. reported age: 18 years (Ref. 37594)
Vertebrae: 39 - 41. Blind side creamy in life, no glossy highlights along myotome margins. Pores: supraorbital 1-3, rarely 4-7; preopercular 5-8; lateral line 76-100. Interorbital space wide. Total scales above and below lateral line 66-96 (Ref. 37594).
Body shape (shape guide): short and / or deep.
Occurs on sand, also together with gravel and mud (Ref. 37594).
Vinnikov, K.A., R.C. Thomson and T.A. Munroe, 2018. Revised classification of the righteye flounders (Teleostei: Pleuronectidae) based on multilocus phylogeny with complete taxon sampling. Molecular phylogenetics and evolution, 125:147-162. (Ref. 122998)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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