Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; oceanodromous (Ref. 51243); depth range 20 - 150 m (Ref. 9988). Temperate; 72°N - 43°N, 25°W - 45°E (Ref. 54565)
Northeast Atlantic: Bay of Biscay to Iceland and Norway; Barents and White seas; also Baltic Sea.
Length at first maturity / Size / Weight / Age
Maturity: Lm 21.5, range 11 - 25 cm
Max length : 40.0 cm SL male/unsexed; (Ref. 4705); max. published weight: 1.0 kg (Ref. 35388); max. reported age: 12 years (Ref. 27407)
Adults live mainly on sandy bottoms, from a few meters to about 100 m. Feed mainly on crustaceans and small fishes. Batch spawner (Ref. 51846). Marketed fresh, dried or salted, smoked and frozen; eaten steamed, fried, broiled, boiled. microwaved and baked (Ref. 9988).
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 2024-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial; gamefish: yes
Tools
Special reports
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 6.9 - 11.8, mean 8.9 °C (based on 284 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00687 - 0.00878), b=3.09 (3.05 - 3.13), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.0 se; based on diet studies.
Generation time: 3.9 (3.0 - 4.4) years. Estimated as median ln(3)/K based on 20
growth studies.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.3-0.6; tm=2-3; tmax=12; Fec=50,000).
Prior r = 0.68, 95% CL = 0.45 - 1.02, Based on 3 full stock assessments.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (43 of 100).
Nutrients (Ref.
124155): Calcium = 17.8 [7.9, 75.9] mg/100g; Iron = 0.294 [0.148, 0.565] mg/100g; Protein = 15.7 [13.4, 18.4] %; Omega3 = 0.319 [0.152, 0.656] g/100g; Selenium = 9.9 [3.4, 35.3] μg/100g; VitaminA = 7.93 [1.59, 40.88] μg/100g; Zinc = 0.339 [0.178, 0.808] mg/100g (wet weight);