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: Leucoraja: Greek, leykos = white + Latin, raja = a fish, Raja sp. (Ref. 45335).
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
海洋 居于水底的; 深度上下限 192 - 457 m (Ref. 106604). 熱帶
Western Central Atlantic: known only from the northeastern slope of Yucatan, Mexico.
中西大西洋: 已知只來自東北方的墨西哥的猶加敦斜坡了。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 106604)
简单描述
检索表 | 型态特徵 | 形态测量图
Two or more irregular thorns along the median belt of its disc rearward from the scapular region. First and second dorsal fins separated by definite interspace with one or two thorns. Upper surface brownish gray, lower surface pale yellowish (Ref. 6902).
Body shape (shape guide): other.
二或更多不规则的刺沿着它的体盘的中央带从肩胛区域向后。 被明确间隙分开的第一个与第二背鳍鳍有一或二个刺。 上表皮灰褐色, 下表面灰白的淡黄色的.(参考文献 6902)
Deep water species (Ref. 6902). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Minimum depth from Ref. 58018.
深水域种.(参考文献 6902) 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).中西大西洋: 已知只來自東北方的墨西哥的猶加敦斜坡了。
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 2025-1)
人类利用
渔业: 低经济
工具
特别资料
下载 XML
网络资源
Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00339 (0.00168 - 0.00685), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.5 ±0.1 se; based on size and trophs of closest relatives
回复力 (参考文献
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 vulnerability (20 of 100).
🛈
