Actinopterygii (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Pleuronectidae
(Righteye flounders) > Pleuronectinae
Etymology: Lepidopsetta: Greek, lepis = scale + Greek, psetta = gruoper (Ref. 45335); polyxystra: From the numerous gill rakers of this fish compared with congeneric species.
Environment / Climate / Range
Marine; demersal; depth range 0 - 700 m (Ref. 50550), usually 19 - 246 m (Ref. 37594). Temperate
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).
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.
Occurs on sand, also together with gravel and mud (Ref. 37594).
Orr, J.W. and A.C. Matarese, 2000. Revision of the genus Lepidopsetta Gill, 1862 (Teleostei: Pleuronectidae) based on larval and adult morphology, with a description of a new species from the North Pacific Ocean and Bering Sea. Fish. Bull. 98:539-582.
IUCN Red List Status (Ref. 90363)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00775 - 0.01025), b=3.08 (3.04 - 3.12), based on LWR estimates for this species (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.5 se; Based on diet studies.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (tm=7; K=0.25).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (48 of 100) .