摘要
描记采于广西南丹县一洞穴的盲副鳅一新种,以背鳍起点位于整个腹鳍之后上方这一特征命名后鳍盲副鳅P aracobitis p osterod arsa lus L i,R an et Ch in sp.nov.,并与近缘种进行了比较。
A new species blind loach of the genus Paracobitis is briefhy described in this paper. The material was found from a cave in Nandan County of Guangxi,China. Paracobitis posterodorsalus Li, Ran et Chin sp. nov. Type specimens No. 041005001, total length 66 mm, standard length 53 mm, collected oft October 05, 2004 from cave of Nandan County （25°02′N, 107°36′E）in Guangxi. Kept in Heilong Tan Reservoir of Shilin ,Yunnan, China. Description： D. iii-6; A. ii-4; P. i-13; V . i-5; Branched caudal fin rays 15. Body depth in standard length 7.57, head length 4. 42,length of caudal peduncle 5.30, depth of caudal peduncle 17.66. Head depth in its length 1.74, head wide 1.50. Depth of caudal peduncle 3.33 in its length. Diagnosis： the new species is similar to P. longibarbatus Chen et al （1998）, but differs from the latter in ： （1）dorsal fin iii-6, Vs iii-8; （2）Anal fin ii-4, Vs ii-6; （3）origin of dorsal is posteriority of Ventral; Vs opposite.
出处
《广西师范大学学报（自然科学版）》
CAS
北大核心
2006年第3期81-82,共2页
Journal of Guangxi Normal University:Natural Science Edition
基金
国土资源部资助项目(2005-8-2)
关键词
动物学
新种
洞穴盲鳅
副鳅属
广西
zoology
new species
cave bland loach
Paracobitis
Guangxi
