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) >
Arhynchobatidae (Softnose skates)
Etymology: Notoraja: Greek, noton = back + Latin, raja = fish, Raja sp. (Ref. 45335).
Eponymy: Yuri Nikolaevich Shcherbachev works at the P P Shirov Institute of Oceanography, Russian Academy of Sciences. [...] (Ref. 128868), visit book page.
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 1064 - 1624 m (Ref. 123885).
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Southeastern Indian Ocean: Broken and East Indiaman ridges. High Seas only.
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 65.7 cm TL 雄鱼/尚未辨别雌雄; (Ref. 123885)
简单描述
检索表 | 型态特徵 | 形态测量图
This species possess the following characters: adults with four orbital thorns per side; distinctly smaller dorsolateral tail thorns, median tail thorns up to 60; lateral tail folds in posterior half of tail only; snout length 4.4-5.2 times orbit diameter; upper jaw tooth rows 34-40; pectoral-fin radials 63-66. Colouration: adults are blackish-gray dorsally and darker blackish-brown with white ampular pores ventrally, but paler violet-brown in juveniles (Ref. 123885).
Cross section: flattened.
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Dolganov, V.N., 2020. Notoraja yurii sp. n. (Arhynchobatidae: Rajoidei), a new skate species from the Thalassobathyal Zone of the Indian Ocean. Biologiya Morya (Vladivostok) 46(1):60-64. (Ref. 123903)
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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00562 (0.00287 - 0.01102), b=3.11 (2.94 - 3.28), 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) |
3.8 ±0.7 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 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
High vulnerability (57 of 100). 🛈 |