摘要
记述采自广西河池地区的鲤科鱼类一新属三新种。新属近金线鳃属Anchicyclocheilusgen.nov.的侧线鳞与体鳞一致可区别于侧线鳞大于体鳞的金线鳃属Sinocycloheilus。模式种半盲近金线鳃Anchicyclocheilus halfibindus,sp.nov.的背鳍分枝鳍条有9条表明其原始性;新属另一新种高肩近金线鲃Anchicyclolocheilus altishoulderus,sp.nov.以背鳍分枝鳍条7根和有明显额突等特征区别于半盲近金线鲃。第三个新种宜山金线鲃Sinocyclocheilus yishanensis,sp.nov.的背鳍不分枝鳍条纤细、柔软、光滑无锯齿;口亚上位;鳞大、鳞比2.1;侧线鳞52-54等区别于软鳍金线鲃S.malacopterus Chu et Cui。
Anchicyclocheilus, gen. nov.Type species:A Anchicyclocheilus halfibindus, sp. nov.The new genus differs fistinctly from Sinocyclocheilus Fang (1936) in the sama of scales lateral and body.Anchicyyclocheilus halfibindus, sp. nov. (fig 1)Holotype No. 8903277970 total length 243mm, body length 190mm collected in March 1989. from Fengshan County, Guangxi Paratype 24 specimens total length 103-282mm body length 77-220mm cellected with the holotype.D.4,9; A. 3,5; P.1, 14-16; V. 1,8.Ph teeth 2.3.5 5.3.2. Gillrak 10-12. Scales 50-54.Anchicyclocheilus altishoulderus, sp.nov. (fig 2)Hobtype No. 890480026 total length 220mm, body length 158mm collected in April 1989 from Donlan County, Guangxi Paratype 12 specinens total length 143-228mm body length 111-178mm. collected with the holotype.The new.spec-ies closes to Anchicyclocheilus holfibindus, sp. nov. but differs from latter in: 1. Brached ray 7, Vs 9.2. Frontal process is prominant, Vs absent.Sinocyclocheilus yishanensis, sp. nov. (fig3)Holptype No. 8311001 total length 170mm. body length 142mm. collected in Novermber 1983 from Yishan County. Guangxi; Paratype 2 specimens. total length 131-135mm. body length 106— 112mm. collected with the holotype.The new species coloses to S. malacopterus Chu et Cui. but differs from the latter in:1. Subupper month, Vs Subbwer.2. Smooth, slender and soft of last unbranch drosal ray, Vs solf, serrated.3. Scale ralio 2.1, Vs 0.75.4. Lateral line scales 52-54, Vs 70-78.All type specimens kept in the Middle School of the third Factory Machinery, Yunnan. ect.
关键词
鲤科
近金线Ba属
新属
新种
广西
Anchicyc bcheilus
New genus
New species
Cyprinidae
Guangxi