Elasmobranchii (haaien en roggen) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; marien demersaal. Polar; 48°S - 78°S, 180°W - 180°E
Southern Ocean: common on the Kerguelen Plateau, around South Orkney and South Shetland islands. In the Antarctic Peninsula, it occurs in the northeastern Weddell Sea and on Gunnerus Ridge. A single record comes from the Pacific Ocean sector, in the Ross Sea. Southeast Pacific: Chile (Ref. 9068).
Size / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 100.0 cm TL mannelijk/geslacht niet bekend; (Ref. )
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Life cycle and mating behavior
Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
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. 125652)
Gevaarlijk voor mensen
Harmless
Gebruik door de mens
Visserij: commercieel
Meer informatie
Leeftijd/Grootte
Groei
Lengte-gewicht parameters
Lengte-lengte parameters
Lengtefrequenties
Morfometrie
Morfologie
Larven
Populatiedynamica van de larven
recrutering
Abundantie
BRUVS
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaAlleelfrequentiesErfelijkheidZiektenVerwerkingNutrientsMass conversion
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
115969): -1.8 - 2, mean -0.9 °C (based on 119 cells).
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00255 - 0.01032), b=3.12 (2.95 - 3.29), in cm total length, based on LWR estimates for this Genus-BS (Ref.
93245).
Trophic level (Ref.
69278): 4.0 ±0.7 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): High vulnerability (60 of 100) .
Climate Vulnerability (Ref.
125649): High to very high vulnerability (71 of 100) .
Nutrients (Ref.
124155): Calcium = 6.79 [0.94, 40.85] mg/100g ; Iron = 0.253 [0.046, 0.979] mg/100g ; Protein = 14.2 [12.6, 16.1] % ; Omega3 = 0.399 [0.160, 1.011] g/100g ; Selenium = 15.1 [4.2, 56.2] μg/100g ; VitaminA = 17.3 [2.8, 97.0] μg/100g ; Zinc = 0.261 [0.066, 0.924] mg/100g (wet weight);