Norway country information

Common names: Blåmage, Svarthå
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Reported from Finmark (Ref. 43202) and the Norwegian deep (Ref. 82399).
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: Compagno, L.J.V., 1984
National Database:

Common names from other countries

Sagre commun, Negrito, قِرش فانوس شائع, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (hajar och rockor) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Etmopteridae (Lantern sharks)
Etymology: Etmopterus: Greek, ethmos, -ou = sieve or ethmoides bone + Greek, pteron = wing, fin (Ref. 45335).
More on author: Linnaeus.

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

marina djupbottenlevande; djupintervall 70 - 2490 m (Ref. 106604), usually 200 - 500 m (Ref. 128537). Deep-water; 73°N - 38°S, 40°W - 36°E

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Eastern Atlantic: Iceland, Norway, and the western Mediterranean to Morocco, Senegal, Sierra Leone, Côte d'Ivoire to Nigeria, Cameroon to Gabon, Azores, Cape Verde, and Cape Province, South Africa (Ref. 247).

Length at first maturity / Size / Vikt / Age

Maturity: L_m 34.5, range 33 - 36 cm
Max length : 60.0 cm TL hane/ej könsbestämd; (Ref. 247); common length : 45.0 cm TL hane/ej könsbestämd; (Ref. 247); publicerad maxvikt: 850.00 g (Ref. 40637)

Found on the outer continental shelves and upper slopes. Feeds on small fishes, squids, and crustaceans. Ovoviviparous, with number of young from 6 to 20 in a litter. Utilized for fishmeal and prepared dried salted for human consumption. Depth range reported at 70m-2000m in Ref. 35388.

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | referenser | Koordinator | Medarbetare

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

IUCN Red List Status (Ref. 130435)

Sårbar, se IUCNs rödlista (VU) (A2bd); Date assessed: 31 August 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: mindre kommeriell

FAO(fiskeri: produktion; publication : search) | FishSource | Sea Around Us

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer

Ecology
Ekologi
Home ranges

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
Reproduktion
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larver
Larvdynamik

Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
BRUVS - Videos

Anatomy
Gill areas
Hjärnstorlek
Otoliths

Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fiskljud
Diseases / Parasites
Toxicities (LC50s)

Genetics
Genetik
Electrophoreses
Heritabilities

Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.

Outreach
Medarbetare

Taxonomy
Populärnamn
synonymer
Morfologi
Morfometri
Bilder

References
referenser

Verktyg

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Populärnamn | Photos

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Estimates based on models

Preferred temperature (Ref. 115969): 5.8 - 14.2, mean 9.2 (based on 392 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00339 (0.00284 - 0.00404), b=3.06 (3.01 - 3.11), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trofisk nivå (Ref. 69278): 4.1 ±0.2 se; based on diet studies.

Resiliens (Ref. 120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Fec=6).

Fishing Vulnerability (Ref. 59153): High vulnerability (63 of 100).

Climate Vulnerability (Ref. 125649): Low vulnerability (13 of 100).

Price category (Ref. 80766): Unknown.

Etmopterus spinax (Linnaeus, 1758)