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).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 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 / 年齡
Maturity: Lm 19.9, range 17 - ? cm
Max length : 11.8 cm WD 雄魚/尚未辨別雌雄; (Ref. 13608)
簡短描述
型態特徵 | 形態測量圖
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).
長而尖的吻。 體盤前面有角而裸露的。 尾部較長, 胸鰭是有角的與尾鰭比較狹窄的。 上表皮灰色與下表面微白色的.(參考文獻 6902)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435)
極危 (CR) (A2d); Date assessed: 01 July 2019
人類使用
更多資訊
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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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 (0.00575 - 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): 3.7 ±0.6 se; based on size and trophs of closest relatives
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 (26 of 100).
