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Elasmobranchii (haaien en roggen) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Rajella: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).

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

marien bathydemersaal; diepte 800 - 1360 m (Ref. 106604), usually 1200 - ? m (Ref. 27314). Deep-water

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Southeast Pacific: Chile (Ref. 27540). Southwest Atlantic: off Brazil (Ref. 86346).

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 75.0 cm TL mannelijk / geslacht onbekend; (Ref. 106604)

Holotype taken from a depth of 1200 m (Ref. 26282). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).

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. 130435)

Niet bedreigd (LC) ; Date assessed: 09 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.7 ±0.5 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (50 of 100).

Nutrients (Ref. 124155): Calcium = 7.64 [1.39, 39.72] mg/100g; Iron = 0.339 [0.081, 1.055] mg/100g; Protein = 16.4 [13.6, 19.1] %; Omega3 = 0.543 [0.159, 2.003] g/100g; Selenium = 16.1 [4.1, 52.2] μg/100g; VitaminA = 7.34 [1.81, 30.37] μg/100g; Zinc = 0.373 [0.185, 0.692] mg/100g (wet weight);

Rajella sadowskii (Krefft & Stehmann, 1974)