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) >
Gurgesiellidae (Pygmy skates)
Etymology: Cruriraja: Latin, crur, cruris = pertaining to a leg + Latin, raja = a ray (Raja sp) (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 385 - 870 m (Ref. 28767). 深水域
Western Central Atlantic: Florida, USA to the Bahamas.
中西大西洋: 美國佛羅里達到巴哈馬。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 32.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 6902)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Upper surface of disc is largely smooth except around the eyes. Pale coffee brown except for a translucent area either side of rostral cartilage. Pale areas around the mouth, gill openings and tail (Ref. 6902).
體盤的上表面非常平滑除了眼睛四周以外。 灰白的褐色除了半透明的區域嘴軟骨組織的任一側邊。 灰白的環繞著嘴巴，鰓裂與尾部的區域.(參考文獻 6902)
Solitary (Ref. 26340). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
獨居性.(參考文獻 26340) 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
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).中西大西洋: 美國佛羅里達到巴哈馬。
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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Estimates based on models
Preferred temperature (Ref.
123201): 7.1 - 14.4, mean 9.9 °C (based on 87 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [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).
營養階層 (Ref.
69278): 3.8 ±0.5 se; based on size and trophs of closest relatives
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): Low vulnerability (23 of 100).
