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).
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 93 - 450 m (Ref. 27092). 深水域; 22°S - 57°S, 99°W - 42°W
Southeast Pacific: Chile to Southwest Atlantic: Argentina, Uruguay and Brazil.
西南大西洋: 在 45 ° 之間 36.1'S, 66 ° 12.2' W 與 51 ° 6.8個 'S, 62 ° 24' W 到烏拉圭.(參考文獻 58839) 東南太平洋: Bahia de San Vicente 到 Seno Reloncavi , Puerto Montt。
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm 215.0, range 200 - ? cm
Max length : 264 cm TL 雄魚/尚未辨別雌雄; (Ref. 114953); 最大體重: 0.00 g
Occurs on sandy and muddy bottoms of outer continental shelf and upper slope, also found at shallower depth 20m. Feeds mainly on bony fishes and crustaceans (Ref. 114953). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205); egg cases ca. 20-30 cm long (Ref. 114953). Reaches maturity at ca. 13 years (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).西南大西洋: 在 45 ° 之間 36.1'S, 66 ° 12.2' W 與 51 ° 6.8個 'S, 62 ° 24' W 到烏拉圭.(參考文獻 58839) 東南太平洋: Bahia de San Vicente 到 Seno Reloncavi , Puerto Montt。
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))
瀕危 (EN) (A2bd); Date assessed: 08 February 2019
人類使用
漁業: 商業性
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特別的報告
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網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00240 (0.00163 - 0.00353), b=3.18 (3.06 - 3.30), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
4.1 ±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 (Assuming fecundity<100). |
釣魚的脆弱性 (Ref. 59153) |
Very high vulnerability (86 of 100). 🛈 |
價格種類 (Ref. 80766) |
Medium.
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營養素 (Ref. 124155) |
Calcium = 4.39 [0.76, 23.72] mg/100g; Iron = 0.315 [0.076, 0.995] mg/100g; Protein = 16.6 [13.8, 19.3] %; Omega3 = 0.4 [0.1, 1.5] g/100g; Selenium = 16.3 [4.2, 57.8] μg/100g; VitaminA = 6.16 [1.35, 29.16] μg/100g; Zinc = 0.258 [0.123, 0.485] mg/100g (wet weight); |