A new species of the genus Triplophysa (Cypriniformes： Nemacheilidae), Triplophysa daochengensis, from Sichuan Province, China  

作　　者：Yu-Yi WU Zhi-Yu SUN Yan-Shu GUO 

机构地区：[1]College of Life Sciences, China West Normal University, Nanchong Sichuan 637009, China [2]Sichuan Academy of Forestry, Chengdu Sichuan 610081, China

出　　处：《Zoological Research》2016年第5期290-295,共6页动物学研究（英文）

基　　金：support by the Public Welfare Fund of Sichuan(JB2016-18)

摘　　要：Triplophysa daochengensis sp. nov. is described from the Daocheng River, a northern tributary of the Jinsha River in Sichuan Province, China. The new species can be distinguished from its congeners by the following characters： body smooth and scales absent; lateral line complete; caudal peduncle compressed, depth unchanging; head length equal to caudal-peduncle length; lower jaw shovel-shaped; dorsal-fin origin anterior to pelvic-fin origin and closer to the tip of the snout than to the caudal-fin base, last unbranched ray hard; pelvic-fin tip not reaching anus; posterior chamber of gas bladder absent; intestine of spiral type with three winding coils.Triplophysa daochengensis sp. nov. is described from the Daocheng River, a northern tributary of the Jinsha River in Sichuan Province, China. The new species can be distinguished from its congeners by the following characters： body smooth and scales absent; lateral line complete; caudal peduncle compressed, depth unchanging; head length equal to caudal-peduncle length; lower jaw shovel-shaped; dorsal-fin origin anterior to pelvic-fin origin and closer to the tip of the snout than to the caudal-fin base, last unbranched ray hard; pelvic-fin tip not reaching anus; posterior chamber of gas bladder absent; intestine of spiral type with three winding coils.

关 键 词：Nemacheilidae TRIPLOPHYSA New species Sichuan 

分 类 号：Q959[生物学—动物学]