Dipturus nidarosiensis, Norwegian skate

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Dipturus nidarosiensis (Storm, 1881)

Norwegian skate
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Dipturus nidarosiensis   AquaMaps   Data sources: GBIF OBIS
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Image of Dipturus nidarosiensis (Norwegian skate)
Dipturus nidarosiensis
Picture by Mouritsen, R.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).

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

marien bathydemersaal; diepte 125 - 1420 m (Ref. 114953). Deep-water; 67°N - 16°N, 25°W - 14°E

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

Eastern Atlantic: fjords of central and southern Norway, southern Iceland, around Rockall Trough in Ireland and northern Mauritania (Ref. 4426); Western and central Mediterreneann Sea (Ref. 125963).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 200 cm TL mannelijk / geslacht onbekend; (Ref. 4426)

Biologie     Verklarende woordenlijst (bv. epibenthic)

Inhabit deep slope waters (Ref. 3167), probably most common on the mid-slope (Ref. 114953). Feed on all kinds of bottom animals (Ref. 3167), mainly invertebrates and small fishes (Ref. 114953). Size possibly up to 250 cm TL (Ref. 114953). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 18.2-26.0 cm long and 9.2-11.3 cm wide (Ref. 41251, 41309). Sizes of maturity and hatching unknown (Ref. 114953).

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

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).

Hoofdreferentie Upload your references | Referenties | Coördinator : McEachran, John | Medewerkers

McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)

Status op de Rode Lijst van het IUCN (Ref. 126983)

  Gevoelig (NT) ; Date assessed: 21 November 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van geen belang
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Estimates based on models

Preferred temperature (Ref. 123201): 2.1 - 10.8, mean 7.1 °C (based on 138 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00133 - 0.00596), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.5   ±0.37 se; based on food items.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
Nutrients (Ref. 124155):  Calcium = 2.52 [0.35, 50.19] mg/100g; Iron = 0.251 [0.024, 3.283] mg/100g; Protein = 15.3 [13.2, 17.3] %; Omega3 = 0.371 [0.154, 0.920] g/100g; Selenium = 23.3 [4.1, 104.2] μg/100g; VitaminA = 2.81 [0.20, 39.61] μg/100g; Zinc = 0.241 [0.016, 2.910] mg/100g (wet weight);