| 云南洞穴二须鳅属一新种 |
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| 引用本文： | 杨洪福,陈自明,李维贤. 云南洞穴二须鳅属一新种[J]. 吉首大学学报(自然科学版), 2020, 41(1): 67-72. DOI: 10.13438/j.cnki.jdzk.2020.01.012 |
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| 作者姓名： | 杨洪福 陈自明 李维贤 |
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| 作者单位： | (1．云南大学生态学与环境学院,云南 昆明 650091; 2．云南省丘北县渔业工作站,云南 丘北 663200;3．云南省石林县黑龙潭水库,云南 石林 652200） |
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| 基金项目： | National Science Foundation of China (31272335, 30970326); National Science and Technology Support Program (2013BAB06B03); China Huaneng Group Science & Technology Program (HNKJ13-H17-03) |
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| 摘 要： | 2015年10月,在云南省丘北县采到一尾二须鳅标本,经鉴定为尚未记录的新物种,以其采集地温浏乡命名为温浏二须鳅Bibarba wenliuensis sp. nov..该新种可以通过以下特征与同属的其余2个物种相区分：身体无色,无鳞片;头较小;眼睛全部退化;背鳍分枝鳍条为6;背鳍起点位于腹鳍起点之后;尾柄长为体长的25.0%;吻须较短,稍长于口角须;尾柄上下具有长而明显的鳍褶.
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| 关 键 词： | 二须鳅属 洞穴鱼类 新种 鳅科 |
A New Blind Subterranean Species of the Genus Bibarba from Yunnan,China |
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| YANG Hongfu,CHEN Ziming,LI Weixian. A New Blind Subterranean Species of the Genus Bibarba from Yunnan,China[J]. Journal of Jishou University(Natural Science Edition), 2020, 41(1): 67-72. DOI: 10.13438/j.cnki.jdzk.2020.01.012 |
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| Authors: | YANG Hongfu CHEN Ziming LI Weixian |
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| Affiliation: | （1．School of Ecology and Environmental Science, Yunnan University, Kunming 650091, China; 2. Fisheries Administration of Qiubei, Wenshan 663200, Yunnan China;3. Heilongtan Reservoir of Shilin, Kunming 652200, China） |
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| Abstract: | In October 2015,a new species of the family Cobitidae, Bibarba wenliuensis sp. nov., was discovered from underground water in Qiubei County, Yunnan Province, China. It can be distinguished from its two congeners by the following combination of characteristics: body with no pigments and no scales, head smaller, eyes degenerated completely, dorsal fin with 6 branched rays, dorsal fin origin posterior to vertical of pelvic-fin origin, caudal-peduncle length 25.0% of SL, shorter rostral barbels, longer maxillo-mandibular barbels, caudal peduncle with long and distinct dorsal and ventral crests. |
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| Keywords: | Bibarba cave fish new species Cobitidae |
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