分類 / 名稱
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) >
Rajiformes (Skates and rays)
鰩目 (Skates and rays) >
Rajidae (Skates)
鰩科 (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
Eponymy: John Tee-Van (1897–1967) joined the staff of the Bronx Zoo (1911) as an assistant keeper in the bird house. [...] (Ref. 128868), visit book page.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 深海底的; 深度上下限 310 - 1900 m (Ref. 114953). 深水域; 35°N - 4°S, 97°W - 35°W (Ref. 114953)
Western Atlantic: North Carolina (Ref. 114953), off Florida (Ref. 12965, 13608) including Gulf of Mexico (Ref. 114953) to northern coast of Colombia, and off Suriname (Ref. 13608 and Brazil (Ref. 53436)
西大西洋: 外海的佛羅里達 (參考文獻 12965,13608) ,哥倫比亞的北海岸與外海的蘇利南 (參考文獻 13608) 巴西.(參考文獻 53436)
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 84.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 114953)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Lack of thorns along the midbelt of the disc from the level of the axils of the pectoral fins to the vicinity of the spiracles. Tails widen rearward toward the dorsal fins. No interspace between the bases of the dorsal fins. Upper surface pale brown, darker along posterior margins of disc, pelvic fins and tail. Dorsal fins and caudal black. Lower surface margined with black rearward from the level of the mouth (Ref. 6902).
Body shape (shape guide): other.
缺乏刺沿著來自胸鰭的枝腋高度到噴水孔附近的體盤的腰帶中央。 尾部對於背鰭在背後擴大。 沒有背鰭的基底之間的間隙。 上表皮白褐色, 比較深色的沿著體盤,腹鰭與尾部的後緣。 背鰭與尾鰭黑色。 下表面有黑色的邊從嘴巴的高度向後.(參考文獻 6902)
Found on upper continental slope (Ref. 114953). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Males reaches maturity at ca.63 cm TL (Ref. 114953).
卵生的.(參考文獻 50449) 卵在貝殼上有像觸角一樣的突出。 (參考文獻 205)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).西大西洋: 外海的佛羅里達 (參考文獻 12965,13608) ,哥倫比亞的北海岸與外海的蘇利南 (參考文獻 13608) 巴西.(參考文獻 53436)
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 20 June 2019
人類使用
漁業: 低經濟
工具
特別的報告
下載 XML
網路資源
基於模型的估計
首選溫度 (參考文獻
123201): 7 - 15, mean 10.1 °C (based on 115 cells).
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00288 (0.00136 - 0.00613), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
釣魚的脆弱性 (Ref.
59153): Moderate to high vulnerability (54 of 100).
🛈