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首页> 外文期刊>Zoological Science >Acheilognathus changtingensis sp. nov., a New Species of the Cyprinid Genus Acheilognathus (Teleostei: Cyprinidae) from Southeastern China Based on Morphological and Molecular Evidence
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Acheilognathus changtingensis sp. nov., a New Species of the Cyprinid Genus Acheilognathus (Teleostei: Cyprinidae) from Southeastern China Based on Morphological and Molecular Evidence

机译：昌丁十一月，基于形态和分子证据的中国东南部一种新的塞浦路斯che蛇属（Teleostei：Cyprinidae）种

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摘要

A new species of the bitterling genus Acheilognathus, Acheilognathus changtingensis sp. nov., was recently discovered from Changting County in Hanjiang River, Fujian Province, Southeastern China. It can be diagnosed by the following combination of characters: dorsal fin with three simple and 15 (occasionally 14) branched fin rays, anal fin with three simple and 12 (occasionally 11) branched fin rays; dorsal fin pale and anal fin slightly pale; white spots on anal-fin rays forming a transverse band, and anal fin margined with white band in males. Its unique characters are the many dispersed black spots on the dorsal, anal, pelvic, caudal fins, and on the head. Using the mitochondrial cytochrome Jb gene as a molecular marker, we reconstructed phylogenetic trees of A. changtingensis sp. nov. and other species in Acheilognathus to confirm its taxonomic status and study its speciation. Analyses of both morphological and molecular data consistently indicated the taxonomic status of the present new species. The results also show that A. changtingensis sp. nov. and Acheilognathus macropterus are sister species that diverged about 14.50 MYA by geographical isolation.
机译：苦瓜属的一个新种，昌丁A。 nov。，最近发现于中国东南部福建省汉江市长汀县。可以通过以下特征组合来诊断：背鳍上有三个简单的和15个（有时14个）分支的鳍射线;肛门鳍上有三个简单的和12个（偶尔11个）分支的鳍射线;背鳍苍白，肛门鳍稍苍白;肛鳍射线上的白色斑点形成一条横向带，而雄鳍的肛鳍边缘带有白色带。它的独特特征是在背鳍，肛门鳍，骨盆鳍，尾鳍和头部有许多分散的黑点。使用线粒体细胞色素Jb基因作为分子标记，我们重建了A. changtingensis sp。的系统树。十一月以及其他的物种，以确认其分类学地位并研究其形态。形态和分子数据的分析一致表明当前新物种的分类学地位。结果还表明，A。changtingensis sp.。十一月和大螯虾（Acheilognathus macropterus）是姊妹物种，通过地理隔离使约14.50 MYA偏离。

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