分类 / 名称
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: Rajella: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 深海底的; 深度上下限 102 - 1098 m (Ref. 106604). 深水域; 27°S - 40°S
Southeast Atlantic: Lüderitz, Namibia to off Cape Agulhas, South Africa.
東南大西洋: 那米比亞的盧德里茲到南非的艾古哈斯角外海。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 65.1 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
Small skate with a very short, obtusely pointed snout, large, close-set, bulging eyes and a thick disc; tail thick and much longer than body; conspicuous light thorns make disc and tail very rough (Ref. 5578). Light grey to brownish above, with or without darker spots; young with distinctive white-barred pattern; underside white (Ref. 5578).
Body shape (shape guide): other.
小的 鱼具有一个非常短的,圆头尖的吻,和大的, 靠拢在一起, 凸出眼与一个厚的体盘; 尾部厚而远长过身体; 显着的淡刺使体盘与尾部非常粗糙。 (参考文献 5578) 浅灰色到上方褐色的, 具有或者没有深色的斑点; 幼鱼有特殊的白色条纹的图案; 腹面白色的.(参考文献 5578)
Found on the upper slope (Ref. 5578). Feed on mysids, lightfishes, and polychaetes (Ref. 5578). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Caught by hake trawlers (Ref. 5578).
栖息于上层斜坡了。 (参考文献 5578) 捕食糠虾,灯眼鱼与多毛类动物。 (参考文献 5578) 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) 被鳕鱼底拖网捕获了。 (参考文献 5578)
生命周期和交配行为
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).東南大西洋: 那米比亞的盧德里茲到南非的艾古哈斯角外海。
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 2025-2 (Global))
人类利用
渔业: bycatch
工具
特别资料
下载 XML
网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00302 (0.00169 - 0.00538), b=3.24 (3.09 - 3.39), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.6 ±0.53 se; based on food items. |
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). |
渔业脆弱性 (Ref. 59153) |
Moderate to high vulnerability (50 of 100). 🛈 |
价格分类 (Ref. 80766) |
Medium.
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