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: buthi: Named for Donald Buth, UCLA ichthyologist.
Eponymy: Dr Donald George Buth (d: 1949) is an ichthyologist who is a professor in the Department of Ecology and Evolutionary Biology at the University of California, Los Angeles. [...] (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 底中水层性; 深度上下限 0 - 2 m (Ref. 125697).
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Eastern Pacific: Gulf of California, Mexico.
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 68.5 cm TL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
This species is distinguished from P. glaucostigmus in having a nasal tassel, uniform coloration, a slightly narrower maximum disc width and disc width at anterior orbit, longer head, longer snout, shorter anterior nasal flap, smaller nostril length, and a smaller body width at first dorsal-fin origin; differs from P. leucorhynchus in having a nasal tassel, brown rostrum, shorter distance from snout to first dorsal-fin origin, shorter distance from snout to lower caudal-fin origin, slightly narrower disc width at anterior orbit, a narrower body at first dorsal-fin origin, shorter anterior nasal flap base length, and shorter nostril length. It is most similar to P. productus but differs in having a narrower disc width 30-35% (vs. 36-38% TL range), shorter distance from nostril to disc margin 2.8-4.0% (vs. 4.2-5.2% TL range), narrower disc width at anterior orbit 12-19% (vs. 20-22% TL range), narrower tip of snout width 3% (vs. 4-6% TL average), and no prominent thorns as a juvenile (Ref. 125697).
Cross section: flattened.
This species is found on shallow coastal regions of the Gulf of California to at least two meters depth. The smallest adult 48.0 cm TL (Ref. 125697).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Rutledge, K.M., 2019. A new guitarfish of the genus Pseudobatos (Batoidea: Rhinobatidae) with key to the guitarfishes of the Gulf of California. Copeia, 107(3):451-463. (Ref. 125697)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
易受伤害 (VU) (A2d); Date assessed: 12 February 2021
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) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00282 (0.00132 - 0.00602), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.5 ±0.5 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) |
Moderate vulnerability (43 of 100). 🛈 |