Common names from other countries
Elasmobranchii (tubarões e raias) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
Environment: milieu / climate zone / intervalo de profundidade / distribution range
Ecologia
marinhas batidemersal; intervalo de profundidade 565 - 1218 m (Ref. 11892). Polar; 48°S - 51°S
Southern Ocean: around the Kerguelen Islands.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 120 cm TL macho/indeterminado; (Ref. )
Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 11.38 cm long and 7.36 cm wide (Ref. 41249).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (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)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-1)
Ameaça para o homem
Harmless
Utilização humana
Pescarias: espécies comerciais
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 1.4 - 2.3, mean 2.1 °C (based on 19 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00291 - 0.01038), b=3.13 (2.97 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 4.0 ±0.7 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (72 of 100).
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Climate Vulnerability (Ref.
125649): Very high vulnerability (88 of 100).
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Nutrients (Ref.
124155): Calcium = 3.07 [0.43, 59.53] mg/100g; Iron = 0.25 [0.02, 3.34] mg/100g; Protein = 14.4 [12.6, 16.4] %; Omega3 = 0.401 [0.154, 1.072] g/100g; Selenium = 18 [3, 81] μg/100g; VitaminA = 4.73 [0.33, 64.44] μg/100g; Zinc = 0.241 [0.015, 2.840] mg/100g (wet weight);
