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云南洞穴二须鳅属一新种(英文)
A New Blind Subterranean Species of the Genus Bibarba from Yunnan, China
【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.
【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.
- 【文献出处】 吉首大学学报(自然科学版) ,Journal of Jishou University(Natural Sciences Edition) , 编辑部邮箱 ,2020年01期
- 【分类号】Q959
- 【被引频次】1
- 【下载频次】108