Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Rajella: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 650 - 4156 m (Ref. 4426), usually 1500 - ? m (Ref. 3167). 深水域; 60°N - 10°N
Eastern Atlantic: Rockall Trough along Ireland, northern Bay of Biscay, northern Morocco and Azores, off Rio de Oro (Western Sahara) and Conakry (Guinea). Western Atlantic: Grand Banks off Newfoundland, Canada southward to northeastern Gulf of Mexico. Distribution probably much wider in deep water.
東大西洋: 沿著愛爾蘭,北部比斯開灣,摩洛哥北部與亞速群島,外海的里奧德奧羅 (西撒哈拉) 與康納克雷 (幾內亞) 的 Rockall 溝槽. 西大西洋: 大岸灘外海的加拿大的紐芬蘭向南至墨西哥灣東北方。 深水中的分布可能更廣。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 55.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 4426)
Found on continental slopes and deepwater rises (Ref. 3167). 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 5.3 cm long and 3.0 cm wide (Ref. 41249).
栖息于大陆斜坡与深海隆起了。 (参考文献 3167) 卵生的。 明显的成对出现。 幼鱼可能倾向跟随大的个体, 例如他们的母亲.(参考文献 205) 卵为长方形鞘囊具有僵硬的触角沈积在沙滩或泥滩的角落.(参考文献 205) 卵鞘是 5.3 公分长与 3.0 公分宽的.(参考文献 41249)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Oviparous (Ref. 3167). 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).東大西洋: 沿著愛爾蘭,北部比斯開灣,摩洛哥北部與亞速群島,外海的里奧德奧羅 (西撒哈拉) 與康納克雷 (幾內亞) 的 Rockall 溝槽. 西大西洋: 大岸灘外海的加拿大的紐芬蘭向南至墨西哥灣東北方。 深水中的分布可能更廣。
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)
CITES (Ref. 128078)
Not Evaluated
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Estimates based on models
Preferred temperature (Ref.
115969): 3.3 - 5.2, mean 3.9 (based on 389 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).
营养阶层 (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).