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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.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin démersal; profondeur 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.
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 30.9  range ? - ? cm
Max length : 69.0 cm TL mâle / non sexé; (Ref. 37594); 49.0 cm FL (female); âge max. reporté: 18 années (Ref. 37594)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Vertèbres: 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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00794 (0.00689 - 0.00915), b=3.08 (3.04 - 3.12), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.3 ±0.2 se; based on diet studies. |
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Generation time |
4.2 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Résilience (Réf. 120179) |
Faible, temps minimum de doublement de population : 4,5 à 14 années (tm=7; K=0.25; tmax=18). |
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Rate of population increase |
Prior r = 0.31, 95% CL = 0.20 - 0.46, Based on 4 full stock assessments. |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate to high vulnerability (46 of 100). 🛈 |