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) >
Gurgesiellidae (Pygmy skates)
Etymology: Gurgesiella: Latin, gurges = abyss, whirlpool (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 470 - 800 m (Ref. 57911). 深水域; 20°S - 40°S, 60°W - 40°W (Ref. 57911)
Southwest Atlantic: Brazilian coast, from Rio de Janeiro to Rio Grande do Sul.
西南大西洋: 已知来自模式标本产地, 23 ° 50'S, 42 ° 00' W.(参考文献 26282) 记录来自巴西了。 (参考文献 53437)
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 53.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 57911); common length : 19.0 cm WD 雄鱼/尚未辨别雌雄; (Ref. )
Holotype taken from a depth of 800 m (Ref. 26282). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Feeds on fishes and crustaceans (Ref. 57911). Max. width (Teodoro Vaske Jr., pers. comm., 2002).
Holotype 取自了深度 800 公尺。 (参考文献 26282) 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) 最大体长 (Teodoro Vaske 二世, pers. comm。,2002)。
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).西南大西洋: 已知来自模式标本产地, 23 ° 50'S, 42 ° 00' W.(参考文献 26282) 记录来自巴西了。 (参考文献 53437)
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)
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年龄范围
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稚鱼动力学
入添量
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Estimates based on models
Preferred temperature (Ref.
123201): 4.9 - 10.1, mean 6.9 °C (based on 13 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00225 - 0.01943), b=2.95 (2.71 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.0 ±0.66 se; based on food items.
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): Moderate vulnerability (41 of 100).