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Glyptocephalus cynoglossus  (Linnaeus, 1758)

Witch flounder
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Glyptocephalus cynoglossus
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Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinoptérygiens (poissons à nageoires rayonnées) > Pleuronectiformes (Flatfishes) > Pleuronectidae (Righteye flounders) > Pleuronectinae
Etymology: Glyptocephalus: Greek, glyptes = carver + Greek, kephale = head (Ref. 45335).

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

; marin démersal; océanodrome (Ref. 51243); profondeur 18 - 1570 m (Ref. 5951), usually 45 - 366 m (Ref. 6263).   Temperate; 2°C - 6°C (Ref. 6263); 74°N - 35°N, 79°W - 26°E

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

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

Length at first maturity / Taille / Poids / Âge

Maturity: Lm 30.4  range ? - ? cm
Max length : 60.0 cm SL mâle / non sexé; (Ref. 4705); poids max. publié: 2.5 kg (Ref. 35388); âge max. reporté: 25 années (Ref. 6263)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 0; Rayons mous dorsaux (Total): 95-120; Rayons mous anaux: 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     Glossaire (ex. 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 Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Eggs and larvae are pelagic.

Référence principale Upload your references | Références | Coordinateur : Amaoka, Kunio | Collaborateurs

Cooper, J.A. and F. Chapleau, 1998. Monophyly and intrarelationships of the family Pleuronectidae (Pleuronectiformes), with a revised classification. Fish. Bull. 96(4):686-726. (Ref. 30193)

Statut dans la liste rouge de l'IUCN (Ref. 115185)

  Non évalué 

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

Pêcheries: commercial
FAO(pêcheries: production, Résumé espèce; publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

Plus d'informations

Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Fréquences de longueurs
Morphométrie
Morphologie
Larves
Dynamique des populations larvaires
Recrutement
Abondance
Références
Aquaculture
Profil d'aquaculture
Souches
Génétique
Fréquences alléliques
Héritabilité
Pathologies
Traitement
Mass conversion
Collaborateurs
Images
Stamps, Coins Misc.
Sons
Ciguatera
Vitesse
Type de nage
Surface branchiale
Otolithes
Cerveaux
Vision

Outils

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Sources Internet

Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(génôme, nucléotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de données nationales | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Identification RFE | SeaLifeBase | Arbre de Vie | Wikipedia(aller à, chercher) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 0.6 - 11.4, mean 7 (based on 1302 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00572 - 0.00837), b=3.06 (3.01 - 3.11), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Ref. 69278):  3.2   ±0.2 se; Based on diet studies.
Résilience (Ref. 69278):  Faible, temps minimum de doublement de population : 4,5 à 14 années (K=0.15-0.2; tmax=25).
Prior r = 0.33, 2 SD range = 0.18 - 0.62, log(r) = -1.11, SD log(r) = 0.31, Based on: 10 K, 16 tgen, 1 tmax, 2 Fec records
Vulnérabilité (Ref. 59153):  High to very high vulnerability (68 of 100) .
Catégorie de prix (Ref. 80766):   High.