中国野鲮亚科鱼类一新属新种记述  

A New Genus and Species of Labeoninae from Guizhou,China

作　　者：李维贤[1] 冉景丞[2] 陈会明[1] 

机构地区：[1]云南省石林县黑龙潭水库工程管理处,云南石林652200 [2]贵州省茂兰自然保护区管理局,贵州荔波556400

出　　处：《湛江海洋大学学报》2006年第3期1-2,共2页Journal of Zhanjiang Ocean University

基　　金：国土资源部岩溶动力学开放研究实验室资助项目(2005-8-2)

摘　　要：描记采于贵州省茂兰自然保护区境内一洞穴的中国野鲮亚科(Labeoninae)一新属长臀鲮属Longanalus,spnov和一个新种大鳍长臀鲮Longanalus macrochiroussp nov。新属以臀鳍分枝鳍条为7根等特征,区别于该亚科所有属;新种以偶鳍发达,胸鳍后伸达到腹鳍基,腹鳍后伸超过臀鳍起点等显著特征命名大鳍长臀鲮。This paper describes a new genus and a species of Labeoninae,which was from the cave in Libo County of Guizhou, China. New genus Longanalus Li gen nov, with its type species Longanalus macrochirousLi, Ran et Cben, sp. nov, is similar to Rectoric, but its characters of anal fin ii, 7 and Vs ii, 5 differ from all genus of Labeoninae in China with anal fin ii, 5. The new species is named Longanalus rnacrochirous Li, Ran et Chen, sp. nov（Fig. 1）, whose type speciments, No 950513001, total length 93 mm, is collected on May 13,1995 from cave of Maolan National Reserve of Libo County （25°25＇N, 107°5＇E）in Guizhou Province, and kept in Heilongtan Reservoir of Shilin Yunnan, China. Description： D,ii, 8; A,ii, 7;P, i, 13; V, i,8; Branched caudal fin rays 15; Lateral line scales 50. Body length is 4. 04 times as long as body height, 4.90 times as head length, 4.90 times as length of caudal peduncle, and 7.15 times as height of caudal peduncle. Head length is 3.17 times as long as snout, 4. 75 time as diameter of eye, 2. 11 time as width of interorbital; height of caudal peduncle is 1.46 times as long as length of it.

关 键 词：新属 新种 野鲮亚科 中国贵州 

分 类 号：Q959.468[生物学—动物学]