分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 居于水底的; 深度上下限 2 - 8 m (Ref. 96339). 熱帶; 30°N - 3°S, 114°W - 81°W (Ref. 114953)
Eastern Central Pacific: Mazatlán, Mexico to Ecuador, including Galapagos Islands.
中太平洋東部: 墨西哥馬瑞它到厄瓜多。
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm 48.5, range 44 - ? cm
Max length : 118 cm TL 雄鱼/尚未辨别雌雄; (Ref. 111131)
Benthic in shallow waters over sandy bottoms (Ref. 9262). Ovoviviparous (Ref. 50449). Produces litters of 1-6 pups. Females mature at ca. 48 cm TL, males at ca. 51 cm TL; born at 19 cm TL (Ref. 114953).
底栖于浅水域沙质底部之上。 (参考文献 9262) 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).中太平洋東部: 墨西哥馬瑞它到厄瓜多。
McEachran, J.D., 1995. Rhinobatidae. Peces guitarra. p. 778-781. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para los Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9262)
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: 08 February 2019
人类利用
渔业: 自给性渔业
工具
特别资料
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网络资源
基于模型的估算
首选温度 (参考文献
123201): 26.6 - 29.1, mean 28.3 °C (based on 115 cells).
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00186 (0.00120 - 0.00290), b=3.12 (2.99 - 3.25), in cm total length, based on LWR estimates for this species & Genus-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): High to very high vulnerability (71 of 100).
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