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) >
Rhinopristiformes (Shovelnose rays) >
Rhinobatidae (Guitarfishes)
Etymology: Rhinobatos: Greek, rhinos = nose + Greek, batis, -idos = a ray (Raja sp.) (Ref. 45335); austini: Named for Austin Ebert (a 'flat' shark enthusiast), on the occasion of his graduation from the University of Southern California.
Eponymy: Austin Ebert is a ‘flat shark’ enthusiast, who was honoured on the occasion of his graduation from the University of Southern California. He is the senior author’s nephew. (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 pelagic-neritic.
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Western Indian Ocean: from southern KwaZulu-Natal Province, South Africa to north of Bazaruto Island, central Mozambique.
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 115.0 cm TL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
This species is distinguished by the following set of characters: no prominent thorns or tubercles on dorsal surface; distinct colour pattern of paired spots of differing sizes, some forming darker transverse bands across its back; ventral surface colour mostly white, without distinctive patterning except for a prominent teardrop-shaped black blotch extending posteriorly from rostral tip to about midpoint anterior to upper mouth; nasal lamellae 61-63; upper jaw tooth count about ca. 83-93; post-synarcual centra 177-181; total vertebral segments 193-198;total pectoral skeleton radials 67-71 (Ref. 115561).
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
Ebert, D.A. and O. Gon, 2017. Rhinobatos austini n. sp., a new species of guitarfish (Rhinopristiformes: Rhinobatidae) from the Southwestern Indian Ocean. Zootaxa 4276(2):204-214. (Ref. 115561)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.8 ±0.4 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): High to very high vulnerability (69 of 100).
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![Image of Rhinobatos austini (Austin\](/images/thumbnails/gif/tn_RHINOBT0.gif "Image of Rhinobatos austini (Austin\")