Élasmobranches (requins et raies) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Amblyraja: Greek, amblys = darkness + Latin, raja, -ae = ray (Raja sp.) (Ref. 45335).
Environnement / Climat / Gamme
Écologie
; marin bathydémersal; profondeur 366 - 2295 m (Ref. 58426). Deep-water, preferred ?; 67°N - 40°N
Western Atlantic: Nova Scotia, Canada to southern New England, USA. Eastern Atlantic: Iceland (Ref. 12462).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 74.3 cm TL mâle / non sexé; (Ref. 4926); 85.0 cm TL (female)
Description synthétique
Morphologie | Morphométrie
Lacks large thorns on anterior margins and mid posterior parts of pectorals and on either side of mid-dorsal ridge on the disc. Upper surface plain light brown, either grayish or of chocolate hue, darker along margins of fins. Lower surface brownish gray, grayish white or perhaps pure white (Ref. 6902).
Benthic (Ref. 58426). Deep-water species. Prefers higher temperatures. Feeds on small fishes and crustaceans (Ref. 6902). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
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