广西洞穴鱼类一新种（鲤形目：鳅科）

本文记述了采自广西河池地区的洞穴鱼类一新种，并讨论了其分类地位。透明间条鳅，新种Ｈｅｍｉｎｏｅｍａｃｈｅｉｌｕｓ ｈｙａｌｉｍｕｓ ｓｐ．ｎｏｖ．与同属种的区别主要表现在尾鳍分枝鳍条数目较少、须较短、眼睛完全退化、头较大和尾柄较细长等方面。

ONE NEW SPECIES OF CAVEFISH FROM GUANGXI(Cypriniformes:Cobitidae)

In September,1994,we collected some loach specimens of the subfamily Nemacheilinae fron Duan County of Guangxi,China.Some of the specimens have been recognized to represent a new spedes,It is described and discussed in the following,All type specimens are deposited in Fish Section,Kunming Institute of Zoology,the Chinese Academy of Sciences.Heminoemacheilus hyalinus sp.nov.(Fig.1)Holotype No.9409005.total length 50.5 mm,standard length 42.0 mm,collected in september,1994 from the undergroud river at Baoan town,Duan County,Guangxi.Paratypes No.9409001-9409004,9409006,5 ex.total length 45.0-52.0 mm,standard length 37.5-43.5mm,same data as holotype.Dorsal fin 3,7-8(only 1 specimens with 8);anal fin 3,4-5(only 1 specimens with4);pectoral finl,11-12;ventral finl,5;branched caudal fin rays11-12.Body depth 4.0-4.7(mean:4.4) in standard length,head length 3.8,length of caudal peduncle 5767(6.1),depth of caudal peduncle 6.77.7(7.3),predorsal length 1.0-1.3(1.2).Depth of caudal peduncle 1.0-1.3 in length of caudal peduncle.Diagnosis.The new spedes can be distingished from H.zhengbaoshani by disappearance of eyes(vs.eyes normal),branched caudal rays11-12(vs.16-17),barbels short,not reaching to opercular(vs.surpassing the opercular),head small,SL/head 3.8(vs.4.4 5.0)(Table1)