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: Amblyraja: Greek, amblys = darkness + Latin, raja, -ae = ray (Raja sp.) (Ref. 45335).
Taxonomic Remarks
Retained in Amblyraja but generic placement is questionable (Last, unpubl.) and needs further investigation (Ref. 118749).
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 ? - 1500 m (Ref. 26282). 深水域; 18°N - 20°N, 68°E - 71°E (Ref. 114953)
Western Indian Ocean: Pakistan.
西印度洋: 已知來自模式標本產地, 阿拉伯海外海的巴錄區斯坦海岸。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 60.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 114953)
Holotype taken from a depth of about 1,500 m (Ref. 26282). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Holotype 取自了深度大约 1,500 公尺。 (参考文献 26282) 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).西印度洋: 已知來自模式標本產地, 阿拉伯海外海的巴錄區斯坦海岸。
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
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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) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00309 (0.00144 - 0.00663), 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) |
4.0 ±0.2 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) |
Moderate to high vulnerability (48 of 100). 🛈 |