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).
Eponymy: This is named after the Woods Hole Oceanographic Institute research vessel ‘Atlantis’, which collected three new species of skates along the coasts of Cuba, including this one. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 512 - 778 m (Ref. 26282). 深水域
Western Central Atlantic: Florida, USA to northern Cuba.
中西大西洋: 美國佛羅里達到古巴北部。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Large width interspace between first and second dorsal fins. Upper surface pale brown disc without definite markings. Lower surface whitish or yellowish. Tail pale dusky below (Ref. 6902).
大的寬度在第一個與第二背鰭鰭之間的間隔。 上表皮白褐色體盤沒有固定的斑紋。 下表面微白色或淡黃色的。 尾部灰白的下面顏色較暗.(參考文獻 6902)
Deep water species (Ref. 6902). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
深水域種.(參考文獻 6902) 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).中西大西洋: 美國佛羅里達到古巴北部。
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)
無危 (LC) ; Date assessed: 23 June 2019
人類使用
漁業:
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Estimates based on models
Preferred temperature (Ref.
123201): 7.4 - 13.7, mean 9.5 °C (based on 24 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 (0.00222 - 0.01969), 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 ±0.6 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 to moderate vulnerability (35 of 100).
