短鳍金线鲃（硬骨鱼纲：鲤科），一种来自中国广西的洞穴鱼类新物种。

Sinocyclocheilus brevifinus (Teleostei: Cyprinidae), a new species of cavefish from Guangxi, China.

作者信息

Li Jie, Li Xinhui, Mayden Richard L

机构信息

Pearl River Fisheries Research Institute Chinese Academy of Fishery Science, Key Field Station of Observation and Research for Fishery Resource and Environment in Middle-Lower Reaches of Pearl River Chinese Academy of Fishery Sciences, Guangzhou, 510380,P.R. China.; Email:

出版信息

Zootaxa. 2014 Oct 14;3873(1):37-48. doi: 10.11646/zootaxa.3873.1.3.

DOI:10.11646/zootaxa.3873.1.3

PMID:25544204

Abstract

Sinocyclocheilus brevifinus sp. nov. is described from a subterranean river at Maohedong Village, Guangxi Zhuang Autonomous Region, Southern China. The new species can be distinguished from all congeners in having functional eyes, last simple dorsal fin ray soft and without serrations along posterior margin, eye diameter small (3.4-5.0 %SL), tip of depressed dorsal fin not reaching vertical at anal fin origin, tip of depressed pelvic fin far from anus, maxillary barbel not reaching anterior edge of operculum, rostral barbel not reaching posterior edge of operculum, scales of lateral line row significantly larger than those of scale rows immediately above and below lateral line, and flanks with distinct black spots and blotches.

摘要

短鳍金线鲃新种是在中国南方广西壮族自治区毛和洞村的一条地下河中发现并描述的。该新物种可与所有同属物种区分开来，其特征在于具有功能性眼睛，最后一根简单的背鳍鳍条柔软，后缘无锯齿，眼径小（占标准体长的3.4 - 5.0%），背鳍凹陷处的尖端未达到臀鳍起点的垂直线，腹鳍凹陷处的尖端远离肛门，上颌须未达到鳃盖前缘，吻须未达到鳃盖后缘，侧线鳞行的鳞片明显大于紧邻侧线上方和下方的鳞片行，且体侧有明显的黑色斑点和斑纹。