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) >
Myliobatiformes (Stingrays) >
Urotrygonidae (American round stingrays)
Etymology: Urotrygon: Greek, oura = tail + Greek, trygon = a sting ray (Ref. 45335).
More on author: Schultz.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的. 熱帶
Western Central Atlantic: Gulf of Venezuela.
中西大西洋: 委內瑞拉灣。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 17.6 range ? - ? cm
Max length : 29.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 127655); 36.2 cm TL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
Prickly back with a median row of slightly larger spines from the nuchal region rearward along disc and anterior part of tail. Wide disc and tail long. Plain greyish above, without markings, cream colored below (Ref. 6902).
多刺的背面中央有一列略大的棘从颈背的区域向后沿着体盘与尾部的前部。 宽的体盘与尾部长的。 背面全浅灰色的, 没有斑纹, 腹面乳黄色的.(参考文献 6902)
中西大西洋: 委內瑞拉灣。
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
世界自然保护联盟红皮书 (Ref. 130435)
濒危 (EN) (A2d); Date assessed: 01 July 2019
人类利用
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Estimates based on models
Preferred temperature (Ref.
123201): 25.4 - 28.4, mean 27 °C (based on 54 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00575 - 0.03468), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.7 ±0.6 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 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
