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首页> 外文期刊>Zoosystematics and Evolution >A new species of Aphyocharax Günther, 1868 (Characiformes, Characidae) from the Maraca?umé river basin, eastern Amazon
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A new species of Aphyocharax Günther, 1868 (Characiformes, Characidae) from the Maraca?umé river basin, eastern Amazon

机译:亚马逊东部马拉卡乌梅河流域的一种新的AphyocharaxGünther,1868年(Characiformes,Characidae)

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A new species of Aphyocharax is described from the Maraca?umé river basin, eastern Amazon, based on morphological and molecular data. The new species differs from all its congeners, mainly by possessing the upper caudal-fin lobe longer than the lower one in mature males, and other characters related to teeth counts, colour pattern, and body depth at dorsal-fin origin. In addition, the new species is corroborated by a haplotype phylogenetic analyses based on the Cytochrome B (Cytb) mitochondrial gene, where its haplotypes are grouped into an exclusive lineage, supported by maximum posterior probability value, a species delimitation method termed the Wiens and Penkrot analysis (WP).
机译:根据形态学和分子数据,从亚马逊东部的马拉卡乌梅河流域描述了一种新的浮游杆菌。该新物种与其所有同类动物都不同,主要是在成熟雄性中尾鳍上叶长于下鳍上叶,以及其他特征与背鳍起源上的齿数,颜色模式和体深有关。此外,基于细胞色素B(Cytb)线粒体基因的单倍型系统发育分析证实了该新物种,其中其单倍型被分组为一个唯一的谱系,并由最大后验概率值支持,该定界方法称为Wiens和Penkrot分析(WP)。

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