分类 / 名称
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: Dactylobatus: Greek, daktyleys, -eos = a kind of grey mullet + Greek, batis = a kind of ray (Ref. 45335); armatus: dáctylos, Greek, means finger or fin-ray; bátis mean ray. Latin armatus means armed.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 深海底的; 深度上下限 300 - 900 m (Ref. 80663), usually 300 - 700 m (Ref. 80663). 深水域; 35°N - 35°S, 30°W - 98°W
Western Central Atlantic: South Carolina, USA to the Gulf of Mexico and along Central America to Venezuela. Also found on middle continental slope off southern Brazil.
中西大西洋: 美國南卡羅萊那州到墨西哥灣。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 32.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 557)
简单描述
检索表 | 型态特徵 | 形态测量图
Narrow spatula-shaped lobe from margin of each pectoral. Upper surface ashy gray. Lower surface yellowish white, clouded with mouse gray (Ref. 6902). Characteristic spines on underside of frontal margin of disc.
Body shape (shape guide): other.
来自每个胸鳍的边缘的狭窄的铲状叶。 上表皮灰色的。 下表面黄白色, 有鼠灰色云彩.(参考文献 6902)
Moderately deep water species (Ref. 6902). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
中等深度水域种.(参考文献 6902) 卵生的.(参考文献 50449) 卵在贝壳上有像触角一样的突出。 (参考文献 205)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).中西大西洋: 美國南卡羅萊那州到墨西哥灣。
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 没有兴趣
工具
特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.7500 [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 (参考文献
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100).
渔业脆弱性 (Ref.
59153): Low vulnerability (22 of 100).
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