摘要
平鳍鳅科鱼类,在云南省曾有过零星记载。近年陈宜瑜(1978、1980a)对我国平鳍鳅科作了详尽整理,共记载有15属49种,其中云南省(包括金沙江的在内)有8属11种。作者(1980)又报道1个新种。现经进一步整理在云南省采得的标本,共有8属17种,其中包括5新种,现简要报道如下。
The present paper reports homaloplerid fishes of Yunnan,comprising 8 genera and 17 species,with description of 5 new species.They arc diagnosed as follows,Sinohomalo ptera longibarbatus Chen,sp.nov.IX 3,8;A.2,5;P.8-10,11-14;V.3,8-10.L.1.74-76.The present species is similar to Sinohomalo ptera kwangsiensis Fang,but differs from it in the following characters:L.1.74-76 vs.61-66,number of ventral rays 2,9-11 vs.2,8.Syntypes:10 specimens,nos.774170-173,175-179,181.Kept in the Kunming Institute of Zoology,Acaclemia Siniea.Balitora pcngi Huang,sp.nov.D.3,8;P.12-13,11-13;V.5-G,13-5;A.2,5.L.1.58-63.The new species is closely allied to lialilora brucei Gray,but differs from it in the following characters:1)Width of body 3.8(3.7-3.9)in length of body vs.5.3(4,9-5.4);2)Fewer lateral line scales,58-63 vs.67-68;3)More undivided rays in the pccloral and ventral fins,P.12-13 vs.8-9;V.5-6 vs.2.Syntypes:8 specimens,nos,73046-53;Menghai County,Yunnan.Standard length 34-38mm.Kept in the kunming Institute of Zoology,Acadcmia Sinica.Balitora tchangi Zheng,sp.nov,D.2.8;A.2.5;P.12,13;V.5,13.L.1.71.The present species is similar to Balilora brucei Gray and Balitora maculata Gray,Balitora pengi.Their differences are as follows.Characters Species Rays of p.fin Rays of v.fin Lower lobe of c.fin Head/Snout Head/Eye Head/Tnteror-bital Body color B.brucei 8,122,9 longer 1.07.52.8 With many spots B.maculata 192,7 equal 8 many spots B.pengi 12-13,11-135-6,13-15 longer 1.7-2.07.2-7.62.2-2.5 many spots B.tchangi 10,144,15 longer 1.85.52.0 ditto Name:For late Dr.Tchang Tchung-lin,in appreciation of his work on Chinese cyprinoids.Type:One specimen,no.78Ⅲ0432,kept in the Museum of Institute of Hydrobiology,Academia Sinica,47mm in standard length,collected in Jinghong Xian,Yunnan Province.Beaufortia polylepis Chen,sp.nov.D.2,7;A.2,5;O.1,26-29;V.1,17-18.L.1.82-91.The present species is similar to Beaufortia pingi(Fang),but differs from the latter in having more pectoral rays and more lateral scales.Syntypes:10 specimens,nos.774311,315,323,324,326,330,338,342,343,347.Kept in the Kunming Institute of Zoology,Academia Sinica.Standard length 39-48mm.Collected in Yiliang Xian,Yunnan Province.Hemimyzon macroptera Zheng,sp.nov.D.2,8-9;A.2,5;P.12,13-14;V.6-7,13-14.L.1.78-81.The new species is most similar to Hemimyzon formosanum(Boulenger),but differs from the latter in having more ventral rays;and in color pattern on body;it is also similar to H.yaotanensis(Fang),bui ii has more rays in pectoral and ventral fins.Syntypes:5 specimens(no.773437 kept in the Kunming Institute of Zology,Academia Sinica;rios,773435-3G kept in the Institute of Hydrobiology,Academia Sinica;nos.773434,773438 kept:in the Department of Biology,Jinan University).Standard length 47-67mm,collected in Yiliam;Xian,Yunnan Province.
作者
郑慈英
陈银瑞
黄顺友
Zheng Ciying;Chen Yinrui;Huang Shunyou(Deparlment of Biology, Jinan University;Kunming Institute of Zoo1ogy,Academia Sinica)
