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Zeugopterus norvegicus (Günther, 1862)

Norwegian topknot
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Zeugopterus norvegicus
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Norway country information

Common names: Småvar
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/no.html
National Fisheries Authority: http://odin.dep.no/fid/eng/
Occurrences: Occurrences Point map
Main Ref: Nielsen, J.G., 1986
National Database:

Common names from other countries

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | 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 Ökologie

seewasser demersal; tiefenbereich 10 - 200 m (Ref. 35388), usually 10 - 200 m (Ref. 35388).   Temperate; 73°N - 46°N, 25°W - 25°E

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

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

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm SL Männchen/unbestimmt; (Ref. 4703)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

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

Biologie     Fachlexikon (Englisch) (z.B. 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 | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 15 October 2013

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless




Nutzung durch Menschen

FAO(Publication : search) | FishSource |

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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).
Trophic level (Ref. 69278):  4.0   ±0.60 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (23 of 100).