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) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
Eponymy: The original description has no etymology. [...] (Ref. 128868), visit book page.
More on author: Norman.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的. 溫帶
Southwest Atlantic: Uruguay to Argentina (Ref. 58839). Southeast Pacific: Chile.
西南大西洋: 到阿根廷烏拉圭.(參考文獻 58839)
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 35509)
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
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)
Life cycle and mating behavior
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). Eggs have horn-like projections on the shell (Ref. 205).西南大西洋: 到阿根廷烏拉圭.(參考文獻 58839)
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 2024-1)
近危 (NT) (A2bd); Date assessed: 07 February 2019
人類使用
漁業: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 3.3 - 6.4, mean 5.4 °C (based on 116 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00291 - 0.01038), b=3.13 (2.97 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.38 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 35.8 [4.9, 1,067.6] mg/100g; Iron = 0.421 [0.037, 5.886] mg/100g; Protein = 12.9 [10.9, 14.8] %; Omega3 = 1.26 [0.27, 5.59] g/100g; Selenium = 4.89 [0.54, 35.66] μg/100g; VitaminA = 294 [9, 7,487] μg/100g; Zinc = 1.6 [0.1, 18.3] mg/100g (wet weight); based on
nutrient studies.