广西金线鲃属鱼类二新种记述

Two New Species of Sinocyclocheilus from Guangxi,China

描记采于广西壮族自治区的金线鲃属鱼类二新种,以采集地乡镇名命名泗孟金线鲃(Sinocyclocheilus simengensis Li,Wu,Li et Lan sp.nov.)和平山金线鲃(Sinocyclocheilus pingshanensis Li,Li,Lan et Wu sp.nov.).

Sinocyclocheilus simengensis Li,Wu,Li et Lan sp.nov.（Fig.1）.The upper side of the head is concave in the new species,with two protuberances,it similar with S.bicornutus（Xingren,Guizhou）and S.furcodorsalis（Tian＇e,Guangxi）,but the two protuberances of the new species are shorter,not triangular（Fig.2）.Sinocyclocheilus pingshanensis Li,Li,Lan et Wu sp.nov.（Fig.3）.The new species is distinguished from all its congeners by the following characteristics：the morphological,distribution and last unbranched ray of dorsal fin with no serrations along the posterior edge,scale size along lateral line is similar with that of scales above and below lateral line.The new species is similar with S.macrolepis,S.guilinensis and S.jii,but it can be differentiated fromS.macrolepis by last unbranched ray of dorsal fin hard（vs.soft）,Scale row above lateral line 19~22（vs.11~14）,Scale row below lateral line 11~13（vs.5~6）;differentiated fromS.guilinensis by last unbranched ray of dorsal fin hard（vs.soft）,Scales along lateral line 75~78（vs.43~53）,Scale row above lateral line 19~22（vs.19~20）,Scale row below lateral line 11~13（vs.11~12）;differentiated fromS.jii by last unbranched ray of dorsal fin hard（vs.soft）,Scales along lateral line 75~78（vs.47~52）,Scale row above lateral line 19~22（vs.27~29）,Scale row below lateral line 11~13（vs.15~17）.