Common names from other countries
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 author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 1 - 60 m (Ref. 58018). 亞熱帶的; 32°N -
Eastern Pacific: Gulf of California to Peru and Chile.
東太平洋: 加州灣到祕魯與智利。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 41.9 cm TL 雄魚/尚未辨別雌雄; (Ref. 9265); common length : 35.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9265)
Found on soft bottoms of shallow water (Ref. 9265). Feeds mainly on small crustaceans, mollusks, polychaete worms and fishes (Ref. 37955).
棲息於淺水區的軟質底部了。 (參考文獻 9265) 主要吃小型甲殼動物，軟體動物，多毛類的蠕蟲與魚。 (參考文獻 37955)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Ovoviviparous.東太平洋: 加州灣到祕魯與智利。
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
CITES (Ref. 128078)
Not Evaluated
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Estimates based on models
Preferred temperature (Ref.
115969): 19.4 - 28.6, mean 24.7 (based on 86 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00788 - 0.03495), b=3.10 (2.91 - 3.29), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.53 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): Low to moderate vulnerability (32 of 100).
