Glyptocephalus cynoglossus, Witch flounder : fisheries

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Glyptocephalus cynoglossus (Linnaeus, 1758)

Witch flounder
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Glyptocephalus cynoglossus   AquaMaps   Data sources: GBIF OBIS
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Image of Glyptocephalus cynoglossus (Witch flounder)
Glyptocephalus cynoglossus
Picture by Dolgov, A.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Pleuronectiformes (Flatfishes) > Pleuronectidae (Righteye flounders) > Microstominae
Etymology: Glyptocephalus: Greek, glyptes = carver + Greek, kephale = head (Ref. 45335).
More on author: Linnaeus.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser demersal; ozeanodrom (Ref. 51243); tiefenbereich 18 - 1570 m (Ref. 5951), usually 45 - 366 m (Ref. 6263). Temperate; 2°C - 6°C (Ref. 6263); 70°N - 36°N, 79°W - 26°E

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Western Atlantic: Gulf of St. Lawrence and Grand Banks in Canada to North Carolina in USA; Eastern Atlantic: Northern Spain to northern Norway (Ref. 7251).

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 30.4  range ? - ? cm
Max length : 60.0 cm SL Männchen/unbestimmt; (Ref. 4705); max. veröff. Gewicht: 2.5 kg (Ref. 35388); max. veröff. Alter: 25 Jahre (Ref. 6263)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 95-120; Afterflossenweichstrahlen: 85 - 102. Pectoral fin of eyed side shorter than head. Distal part of pectoral fin blackish (Ref. 232). Large mucus pores on the blind side of the head. Uniform coloration, rough scales. Body elongated with complete straight lateral line (Ref. 35388).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Inhabits soft mud bottoms in fairly deep water (Ref. 9988). Benthic (Ref. 58426). Feeds on crustaceans, polychaetes, brittle stars (Ref. 9988) and fishes (Ref. 58426). Marketed fresh or frozen; eaten steamed, fried, microwaved and baked (Ref. 9988).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Eggs and larvae are pelagic.

Hauptreferenz Upload your references | Referenzen | Koordinator : Amaoka, Kunio | Partner

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)

  gefährdet, siehe IUCN Red List (VU) (A1bd); Date assessed: 12 February 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: kommerziell
FAO - Fischereien: landings, Artbeschreibung; Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

Mehr Information

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Fischereien: landings, Artbeschreibung; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Nationale Datenbanken | OceanAdapt | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | RFE Bestimmung | Socotra Atlas | Tree of Life | Wikipedia: Gehe zu, Suchen | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 0.6 - 11.4, mean 7 °C (based on 1302 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00365 - 0.00573), b=3.08 (3.01 - 3.15), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.2 se; based on diet studies.
Generation time: 5.5 (4.8 - 9.9) years. Estimated as median ln(3)/K based on 11 growth studies.
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.15-0.2; tmax=25).
Prior r = 0.49, 95% CL = 0.32 - 0.73, Based on 1 stock assessment.
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (68 of 100).
Climate Vulnerability (Ref. 125649):  Low to moderate vulnerability (34 of 100).
Preiskategorie (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 25.1 [10.1, 45.7] mg/100g; Iron = 0.237 [0.120, 0.463] mg/100g; Protein = 16.7 [15.4, 18.1] %; Omega3 = 0.36 [0.18, 0.76] g/100g; Selenium = 26.6 [13.3, 56.7] μg/100g; VitaminA = 8.58 [1.93, 36.75] μg/100g; Zinc = 0.455 [0.302, 0.676] mg/100g (wet weight);