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: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335); mauritaniensis: Named for the geographic region of the type specimens; i.e. Mauritania, to acknowledge the intent by Capapé (1977) to name this skate based on its known distribution..
Issue
Raja africana Capapé, 1977 is a homonym, being preoccupied by Raja africana Bloch & Schneider, 1801(Ref. 26282) and thus needs a replacement name which is Raja mauritaniensis White & Fricke, 2021 (Ref. 124211).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 50 - 400 m (Ref. 4426). 亞熱帶的; 38°N - 17°N
Eastern Atlantic: Mauritania and the southwestern Mediterranean Sea.
東大西洋: 突尼西亞與茅利塔尼亞海岸。 非洲鰩〔Raja africana〕 Capape,1977 是一個同音異義字,被 非洲鰩〔Raja africana〕 Bloch&Schneider 學名先佔存在,1801(參考文獻 26282) 而且如此需要一個替代名稱。 這種的有效性在 Compagno 1999 名錄懷疑了。 (參考文獻 35766)
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 80.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 4426)
Found in shelf and slope waters, depending on seasonal lower bottom water temperatures. Feeds on crustaceans and bony fishes (Ref. 3167). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
发现于被依据季节性的低底部水温而定的大陆架及大陆斜坡水域了。 吃甲壳动物与硬骨鱼类。 (参考文献 3167) 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 (Ref. 3167). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).東大西洋: 突尼西亞與茅利塔尼亞海岸。 非洲鰩〔Raja africana〕 Capape,1977 是一個同音異義字,被 非洲鰩〔Raja africana〕 Bloch&Schneider 學名先佔存在,1801(參考文獻 26282) 而且如此需要一個替代名稱。 這種的有效性在 Compagno 1999 名錄懷疑了。 (參考文獻 35766)
White, W.T. and R. Fricke, 2021. Raja mauritaniensis: a replacement name for Raja africana Capapé, 1977 (Rajiformes: Rajidae), a junior homonym of Raja africana Bloch & Schneider, 1801 (Myliobatiformes: Dasyatidae). Zootaxa 4970(2):399-400. (Ref. 124211)
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Estimates based on models
Preferred temperature (Ref.
123201): 13.5 - 17.4, mean 15.1 °C (based on 42 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00269 (0.00124 - 0.00582), b=3.26 (3.09 - 3.43), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.0 ±0.65 se; based on food items.
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): Moderate to high vulnerability (52 of 100).