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).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 9 - 55 m (Ref. 58018). 熱帶
Western Atlantic: Venezuela and the mouth of the Amazon.
西大西洋: 委內瑞拉與亞馬遜河河口。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 19.9, range 17 - ? cm
Max length : 11.8 cm WD 雄鱼/尚未辨别雌雄; (Ref. 13608)
简单描述
检索表 | 型态特徵 | 形态测量图
Long and pointed snout. Disc angular in front and naked. Tail longer, pectorals are angular and caudal fin narrower. Upper surface gray and lower surface whitish (Ref. 6902).
长而尖的吻。 体盘前面有角而裸露的。 尾部较长, 胸鳍是有角的与尾鳍比较狭窄的。 上表皮灰色与下表面微白色的.(参考文献 6902)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
西大西洋: 委內瑞拉與亞馬遜河河口。
Uyeno, T., K. Matsuura and E. Fujii (eds.), 1983. Fishes trawled off Suriname and French Guiana. Japan Marine Fishery Resource Research Center, Tokyo, Japan. 519 p. (Ref. 13608)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
人类利用
渔业:
工具
特别资料
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网络资源
Estimates based on models
Preferred temperature (Ref.
123201): 26.7 - 28.1, mean 27.5 °C (based on 62 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 (0.00578 - 0.03452), 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 vulnerability (24 of 100).
