Élasmobranches (requins et raies) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Neoraja: Greek, neos = new + Latin, raja = fish, Raja sp. (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 600 - 1540 m (Ref. 106604). Deep-water; 58°N - 53°N
Northeast Atlantic: Iceland (Ref. 12462) and slopes around Rockall Trough, northwest of Ireland.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm TL mâle / non sexé; (Ref. 106604)
Inhabits the deeper parts of the continental slope and on slopes of submarine banks (Ref. 3167). Feeds on all kinds of bottom animals (Ref. 3167). 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 (Ref. 3167). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Plus d'informations
Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Fréquences de longueurs
Morphométrie
Morphologie
Larves
Dynamique des populations larvaires
Recrutement
Abondance
BRUVS
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
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Estimates based on models
Preferred temperature (Ref.
123201): 7.1 - 8.8, mean 8.3 °C (based on 13 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [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).
Niveau trophique (Ref.
69278): 3.5 ±0.37 se; based on food items.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).
Nutrients (Ref.
124155): Calcium = 7.88 [1.21, 155.60] mg/100g; Iron = 0.377 [0.036, 5.033] mg/100g; Protein = 15.1 [13.0, 17.2] %; Omega3 = 0.538 [0.202, 1.418] g/100g; Selenium = 14.8 [2.5, 73.9] μg/100g; VitaminA = 6.05 [0.43, 76.69] μg/100g; Zinc = 0.341 [0.023, 3.869] mg/100g (wet weight);