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.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | 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 Ecologie

marien demersaal; oceanodroom (Ref. 51243); diepte 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

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | 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).

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: Lm 30.4  range ? - ? cm
Max length : 60.0 cm SL mannelijk / geslacht onbekend; (Ref. 4705); max. gepubliceerd gewicht: 2.5 kg (Ref. 35388); max. gerapporteerde leeftijd: 25 Jaren (Ref. 6263)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 95-120; Anale zachte stralen: 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     Verklarende woordenlijst (bv. 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).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Eggs and larvae are pelagic.

Hoofdreferentie Upload your references | Referenties | Coördinator : Amaoka, Kunio | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Kwetsbaar, zie IUCN Rode Lijst (VU) (A1bd); Date assessed: 12 February 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: commercieel
FAO - visserij: aanvoer, soortsprofiel; Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

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Internetbronnen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - visserij: aanvoer, soortsprofiel; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Nationale databanken | OceanAdapt | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | RFE identificatie | Socotra Atlas | Tree of Life | Wikipedia: ga naar, zoek | 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).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (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.
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (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).
Prijsklasse (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);