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) >
Arhynchobatidae (Softnose skates)
Etymology: Notoraja: Greek, noton = back + Latin, raja = fish, 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 1064 - 1624 m (Ref. 123885).
分布
国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri
Southeastern Indian Ocean: Broken and East Indiaman ridges.
大小 / 重量 / 年龄
Maturity: 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).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
营养阶层 (Ref.
69278): 3.8 ±0.7 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 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).