分类 / Names
俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).
环境 / 气候 / 范围
生态学
; 海洋 居于水底的; 深度上下限 ? - 100 m (Ref. 4426). , preferred 13°C (Ref. 107945); 55°N - 24°N, 16°W - 1°W
Eastern Atlantic: southwestern England and Ireland to Rio de Oro in Western Sahara; absent from the North Sea and the Mediterranean.
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 74.0, range 73 - ? cm
Max length : 80.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 41333); 86.0 cm TL (female); 最大体重: 4.5 kg (Ref. 4699)
背棘 (总数): 0; 臀棘 0; 臀鳍软条: 0. Eyes conspicuously small; dorsal fins close-set, no thorns between; upper surface predominantly spinulose, underside almost smooth in young, but head and centre of disc prickly in larger specimens; orbital thorns separate, a regular row of about 50 thorns from nape to first dorsal fin; upper surface greyish, olive to light brown with light blotches and long bands, underside white (Ref. 3167).
Found on sandy bottoms, from inshore waters to about 100 m in tidal areas (Ref. 3167). Feed on fishes (Ref. 3167). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 6.6-10.0 cm long and 4.1-6.3 cm wide (Ref. 41250). About 54-61 eggs are laid by an individual in a year (Ref. 41250).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Oviparous (Ref. 3167). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).
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)
CITES (Ref. 94142)
Not Evaluated
人类利用
渔业: 低经济; 游钓鱼种: 是的
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