Elasmobranquios (tiburones y rayas) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino batidemersal; rango de profundidad 2400 - 2950 m (Ref. 3167). Deep-water; 47°N -
Northeast Atlantic: known from 3 specimens from the northern Bay of Biscay but distribution no doubt wider.
Tamaño / Peso / Edad
Madurez: Lm ? range ? - ? cm
Max length : 160 cm TL macho / no sexado; (Ref. 3167)
A very rare species found on lower parts of continental slope and on adjacent deep-sea plains (Ref. 3167). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Oviparous (Ref. 3167). 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)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
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Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00296 - 0.01067), b=3.13 (2.97 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.6 ±0.50 se; based on food items.
Resiliencia (Referencia
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Fec assumed to be <100).
Vulnerabilidad pesquera (Ref.
59153): Very high vulnerability (90 of 100).
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Nutrientes (Ref.
124155): Calcium = 2.51 [0.35, 50.64] mg/100g; Iron = 0.244 [0.023, 3.282] mg/100g; Protein = 14.1 [12.3, 16.1] %; Omega3 = 0.375 [0.141, 0.985] g/100g; Selenium = 24.8 [4.2, 110.9] μg/100g; VitaminA = 3.62 [0.24, 50.82] μg/100g; Zinc = 0.261 [0.017, 3.236] mg/100g (wet weight);
