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Zeugopterus norvegicus (Günther, 1862)

Norwegian topknot
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Zeugopterus norvegicus
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Sweden country information

Common names: Småvar
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurrence: Native and regular (Ref. 30402).
National Checklist: Sweden checklist - Fish
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Nielsen, J.G., 1986
National Database: Swedish Museum of Natural History

Common names from other countries

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Pleuronectiformes (Flatfishes) > Scophthalmidae (Turbots)
Etymology: Zeugopterus: Greek, zygon = yoke + Greek, pteron = wing, fin.
  More on author: Günther.

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

marin démersal; profondeur 10 - 200 m (Ref. 35388), usually 10 - 200 m (Ref. 35388).   Temperate; 73°N - 46°N, 25°W - 25°E

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

Northeast Atlantic: off Iceland and from Murman coast to Bay of Biscay.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm SL mâle / non sexé; (Ref. 4703)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Rough scales on both sides. Dorsal fin origin above upper eye. Pelvic and anal fins not used (Ref. 35388).

Biologie     Glossaire (ex. epibenthic)

Occurs on rocky bottoms between 10 and 180 m. Feeds on small fish and invertebrates (Ref. 4703). Spawns in April - July (Ref. 35388).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Nielsen, J.G., 1986. Scophthalmidae. p. 1287-1293. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the North-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. 3. (Ref. 4703)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Préoccupation mineure (LC) ; Date assessed: 15 October 2013

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

FAO(Publication : search) | FishSource |

Plus d'informations

Trophic ecology
Éléments du régime alimentaire
Diet compositions
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Prédateurs
Ecology
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Length-weight rel.
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Estimates based on models

Preferred temperature (Ref. 115969): 7.3 - 12.5, mean 10 (based on 1188 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00607 - 0.01808), b=3.00 (2.85 - 3.15), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Niveau trophique (Ref. 69278):  4.0   ±0.60 se; based on food items.
Résilience (Ref. 120179):  Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (23 of 100).