分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Myliobatiformes (Stingrays) >
Urotrygonidae (American round stingrays)
Etymology: Urotrygon: Greek, oura = tail + Greek, trygon = a sting ray (Ref. 45335).
More on authors: Jordan & Starks.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 2 - 30 m (Ref. 96339). 熱帶; 27°N - 2°S, 110°W - 77°W
Eastern Central Pacific: southern Gulf of California to Ecuador.
中太平洋東部: 南加州灣到厄瓜多。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 11.8, range 11 - 13.5 cm
Max length : 46.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 9265); common length : 37.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 9265)
Found on soft bottoms of coastal waters (Ref. 9265). Feeds on crustaceans and small fishes (Ref. 37955). Venomous spine on tail (Ref. 9265). Sometimes utilized as a food fish (Ref. 37955).
棲息於沿岸水域的軟質底部了。 (參考文獻 9265) 吃甲殼動物與小魚。 (參考文獻 37955) 在尾部上的有毒的棘.(參考文獻 9265) 有時利用作為一個食用魚.(參考文獻 37955)
中太平洋東部: 南加州灣到厄瓜多。
McEachran, J.D., 1995. Urolophidae. Rayas redondas. p. 786-792. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9265)
IUCN 瀕危狀態 (Ref. 130435)
近危 (NT) (A2d); Date assessed: 24 February 2020
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Estimates based on models
Preferred temperature (Ref.
123201): 25.9 - 29.1, mean 28.3 °C (based on 118 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).
營養階層 (Ref.
69278): 3.9 ±0.63 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
