Klassifizierung / Names
Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa
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Pleuronectiformes (Flatfishes) >
Pleuronectidae (Righteye flounders) > Pleuronectinae
Etymology: Isopsetta: Greek, isos = equal + Greek, psetta, grouper.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser demersal; ozeanodrom (Ref. 51243); tiefenbereich 20 - 425 m (Ref. 6793). Temperate; 66°N - 32°N
Eastern Pacific: Bristol Bay in the southeastern Bering Sea and Amchitka Island (Aleutian Islands) to Ventura, California, USA.
Length at first maturity / Size / Gewicht / Alter
Maturity: Lm 21.0  range ? - ? cm
Max length : 55.0 cm TL Männchen/unbestimmt; (Ref. 2850); max. veröff. Alter: 11 Jahre (Ref. 6885)
Kurzbeschreibung
Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 78-92; Afterflossenstacheln 0; Afterflossenweichstrahlen: 58 - 69; Wirbelzahl: 39 - 42. Dorsal origin above eye. Caudal rounded. Pectoral small, bluntly pointed.
Common in shallow water on soft, silty bottom. Moves into shallow water in summer and to deeper water in winter (Ref. 6885). Spawning adults exhibit north-south migrations (Ref. 6885). Feeds on chaetopod marine worms, young herring, shrimps, and sand dollars (Ref. 6885). A tasty food fish, sometimes marketed (Ref. 2850). Also used for mink 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 Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell; Sportfisch: ja
Mehr Information
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Estimates based on models
Preferred temperature (Ref.
123201): 1.1 - 7.6, mean 4.7 °C (based on 300 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00457 - 0.01819), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.6 ±0.54 se; based on food items.
Generation time: 4.2 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.26; tmax=11; tm=2).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (35 of 100).
Nutrients (Ref.
124155): Calcium = 35.2 [13.5, 60.7] mg/100g; Iron = 0.281 [0.139, 0.548] mg/100g; Protein = 18.1 [15.6, 20.1] %; Omega3 = 0.367 [0.180, 0.767] g/100g; Selenium = 20.8 [10.7, 45.2] μg/100g; VitaminA = 6.76 [1.59, 30.94] μg/100g; Zinc = 0.387 [0.261, 0.583] mg/100g (wet weight); based on
nutrient studies.