Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino demersale; distribuzione batimetrica 18 - 950 m (Ref. 50610). Polar; 67°N - 35°N, 162°E - 122°W (Ref. 57234)
North Pacific: Bering Sea coasts of Russia and Alaska to San Simeon, California, USA. The San Pedro, California, USA record for this species in Miller and Lea 1972 (Ref. 6792) is based on a misidentification of Eopsetta exilis.
Length at first maturity / Size / Peso / Age
Maturity: Lm 37.9  range ? - ? cm
Max length : 84.0 cm TL maschio/sesso non determinato; (Ref. 2850); common length : 50.0 cm TL maschio/sesso non determinato; (Ref. 56527); peso massimo pubblicato: 8.6 kg (Ref. 56527); Età massima riportata: 23 anni (Ref. 55701)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 92 - 109; Spine anali: 0; Raggi anali molli: 72 - 90; Vertebre: 47 - 49. Dorsal origin over middle of upper eye. Caudal slightly lunate. Pectorals small.
Adults are found on soft bottoms (Ref. 2850). Feed on crustaceans and fishes (Ref. 6885). Not marketed as human food (Ref. 2850).
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)
Threat to humans
Harmless
Human uses
Pesca: elevato interesse commerciale; Pesce da pesca sportiva: si
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 2.2 - 6.5, mean 4.6 °C (based on 172 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00609 - 0.01190), b=3.01 (2.92 - 3.10), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 4.2 ±0.3 se; based on diet studies.
Resilienza (Ref.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (tmax=23; K=.06-0.09; tm=5-7; Fec=250,000).
Prior r = 0.19, 95% CL = 0.12 - 0.28, Based on 7 full stock assessments.
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (54 of 100).
Climate Vulnerability (Ref.
125649): Moderate to high vulnerability (45 of 100).
Nutrients (Ref.
124155): Calcium = 16.9 [6.7, 30.1] mg/100g; Iron = 0.31 [0.12, 0.66] mg/100g; Protein = 16.5 [15.1, 17.9] %; Omega3 = 0.196 [0.091, 0.414] g/100g; Selenium = 22.5 [9.2, 55.0] μg/100g; VitaminA = 9.89 [1.80, 56.48] μg/100g; Zinc = 0.252 [0.158, 0.394] mg/100g (wet weight);