分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
More on author: Norman.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 100 - 500 m (Ref. 104534), usually 104 - 159 m (Ref. 104534). 溫帶; 35°S - 55°S, 67°W - 52°W (Ref. 104534)
Southwest Atlantic: Uruguay to Argentina (Ref. 58839) and around the Falkland/Malvinas Islands (Ref. 104534).
西南大西洋。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 111 cm TL 雄鱼/尚未辨别雌雄; (Ref. 104534)
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Reportedly taken as bycatch in deeper water benthic trawl and longline teleost target fisheries as well as in target longline skate fishing from off Mar del Plata, Argentina (Ref. 104534).
卵生的.(参考文献 50449) 卵在贝壳上有像触角一样的突出。 (参考文献 205)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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。
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
渔业: 商业性
工具
特别资料
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Estimates based on models
Preferred temperature (Ref.
123201): 3.9 - 6, mean 4.6 °C (based on 27 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).
营养阶层 (Ref.
69278): 4.0 ±0.7 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (67 of 100).
Nutrients (Ref.
124155): Calcium = 4.32 [0.65, 78.93] mg/100g; Iron = 0.242 [0.023, 2.796] mg/100g; Protein = 14.9 [13.3, 16.7] %; Omega3 = 0.677 [0.259, 1.711] g/100g; Selenium = 15 [3, 70] μg/100g; VitaminA = 9.8 [0.8, 124.4] μg/100g; Zinc = 0.296 [0.020, 3.302] mg/100g (wet weight); based on
nutrient studies.