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: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 半咸淡水 深海底的; 深度上下限 ? - 439 m (Ref. 5578). 深水域; 24°S - 25°S, 35°E - 37°E (Ref. 114953)
Western Indian Ocean: known only from off the Limpopo River mouth, Mozambique.
西印度洋: 已知只來自林波波河口外，莫三比克了。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 82.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5578)
简单描述
检索表 | 型态特徵 | 形态测量图
A pale-spotted longnose skate with an elongated, acutely triangular snout, and a very slender tail- as long as body and tapering from base to tip; disc with angular corners and smooth underside except of small denticles on edges and tip of snout; thorns on upper surface of disc and tail conspicuously lighter than surrounding skin; spine at nape (Ref. 5578). Dark grey with numerous small light spots dorsally; grey with black pores ventrally, and with light areas around gills and at front of edge of disc (Ref. 5578).
Probably taken by offshore trawlers (Ref. 5578). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
可能被外海底拖网捕获。 (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)
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).西印度洋: 已知只來自林波波河口外，莫三比克了。
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)
人类利用
渔业: 没有兴趣
工具
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