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) >
Rajidae (Skates)
Etymology: Breviraja: Latin, brevis = short, brief + Latin raja = ray (Raja sp.) (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 366 - 522 m (Ref. 26282). 深水域; 18°N - 28°N, 85°W - 70°W (Ref. 114953)
Western Central Atlantic: Florida (USA), Bahamas and Cuba.
中西大西洋: 巴哈馬。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 114953)
简单描述
检索表 | 型态特徵 | 形态测量图
Short rostral cartilage. Disc rough with small prickles on adults of both sexes. Upper surface of disc pale brown, mottled with irregular spots and blotches of darker brown. Lower surface of disc and of tail pale yellowish or whitish (Ref. 6902).
短的嘴软骨组织。 体盘粗糙的在两性的成鱼上有小的刺。 体盘的上表面白褐色, 具有不规则的斑点与斑块色斑深褐色的。 体盘下表面与尾部灰白的淡黄色或微白色的.(参考文献 6902)
Solitary (Ref. 26340). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Smallest recorded specimen 8 cm TL. Males reaches maturity at ca. 32 cm TL (Ref. 114953).
独居性.(参考文献 26340) 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
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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: 巴哈馬。
Last, P.R., S. Weigmann and L. Yang, 2016. Changes to the nomenclature of the skates (Chondrichthyes: Rajiformes). In: Last and Yearsley (eds.). Rays of the World: Supplementary Information. CSIRO Special Publication. 11-34. (Ref. 118749)
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Estimates based on models
Preferred temperature (Ref.
123201): 9 - 16.9, mean 12.8 °C (based on 23 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.7 ±0.6 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): Low to moderate vulnerability (30 of 100).
