分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Rajiformes (Skates and rays)
鰩目 (Skates and rays) >
Rajidae (Skates)
鰩科 (Skates)
Etymology: Rajella: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 750 - 2191 m (Ref. 106604). 深水域
Eastern Atlantic: known from the type locality, 49°50'N, 29°33'W.
東北大西洋: 已知來自模式標本產地,49 ° 50個 'N,29 ° 33' W.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 84.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 106604)
Holotype taken from a depth between 750 and 800 m (Ref. 26282). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Holotype 取自了在 750 與 800 公尺之間的深度。 (參考文獻 26282) 卵生的.(參考文獻 50449) 卵在貝殼上有像觸角一樣的突出。 (參考文獻 205)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).東北大西洋: 已知來自模式標本產地,49 ° 50個 'N,29 ° 33' W.
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)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 17 November 2014
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Estimates based on models
Preferred temperature (Ref.
123201): 4.1 - 6.2, mean 5.6 °C (based on 4 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [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).
營養階層 (Ref.
69278): 3.7 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (54 of 100).
Nutrients (Ref.
124155): Calcium = 4.41 [0.65, 85.12] mg/100g; Iron = 0.303 [0.029, 4.120] mg/100g; Protein = 15.1 [13.0, 17.2] %; Omega3 = 0.464 [0.187, 1.164] g/100g; Selenium = 19.9 [3.4, 92.3] μg/100g; VitaminA = 4 [0, 55] μg/100g; Zinc = 0.284 [0.019, 3.287] mg/100g (wet weight);
