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) >
Myliobatiformes (Stingrays) >
Rhinopteridae (Cownose rays)
Etymology: Rhinoptera: Greek, rhinos = nose + Greek,pteron = fin, wing (Ref. 45335).
Eponymy: Colonel Dr Atmaram Sadashiv Grandin Jayakar (1844–1911) was an Indian surgeon and entomologist. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 底中水层性. 熱帶
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Indo-West Pacific: widespread; from South Africa to the Philippines; north to Ryukyu Is. and south to eastern Indonesia. However, it may comprise of two closely related species based on genetic findings where the forms possibly differ in the shape of the head and tail and robustness of the bodies.
西印度洋: 已知只來自阿曼。 這種的有效性在 Compagno 1999 名錄懷疑了。 (參考文獻 35766)
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - 78 cm
Max length : 90.0 cm WD 雄鱼/尚未辨别雌雄; (Ref. 114953)
Benthopelagic in the open ocean and often aggregating in large shoals (Ref. 114953). . Ovoviviparous (Ref. 50449).
有时形成鱼群。 卵胎生的.(参考文献 50449)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).西印度洋: 已知只來自阿曼。 這種的有效性在 Compagno 1999 名錄懷疑了。 (參考文獻 35766)
Randall, J.E., 1995. Coastal fishes of Oman. University of Hawaii Press, Honolulu, Hawaii. 439 p. (Ref. 11441)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2)
濒危 (EN) (A2cd); Date assessed: 27 May 2020
人类利用
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特别资料
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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00463 - 0.02844), b=2.98 (2.76 - 3.20), 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): Very high vulnerability (83 of 100).
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