广西洞鳅属鱼类(鲤形目:条鳅科)一新种记述
A new loach species of Troglonectes (Teleostei: Nemacheilidae) from Guangxi, China
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摘要: 目前已记录的洞鳅属种类有17种,2017年1月,在广西壮族自治区河池市同进村采集到6属条鳅科标本,形态特征和分子(线粒体基因cty b)结果均支持该批标本为洞鳅属一新种。新种与洞鳅属其它种的区别特征包括:眼正常;除头部和胸腹部外,全身被有细小的鳞片;侧线不完全;尾鳍略凹。该新种被命名为河池洞鳅 Troglonectes hechiensis sp. nov.。Abstract: A new species of the genus Troglonectes is described from Guangxi Zhuang Autonomous Region, China. Troglonectes hechiensis sp. nov . can be easily distinguished from its congeners based on the following characters: eyes normal; whole body covered by scales except head, throat, and abdomen; lateral line incomplete; caudal fin concave; and color pattern present on body.