新物种（硬骨鱼纲：平鳍鳅科），一种来自中国广西的洞穴形态新鳅类。

sp. nov. (Teleostei: Nemacheilidae), a New Troglomorphic Loach from Guangxi, China.

作者信息

Li Shu-Jing, Ge Jia-Kai, Bao Chun-Yan, Du Li-Na, Luo Fu-Guang, Zou Tong-Xiang

机构信息

Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection, Ministry of Education, Guangxi Normal University, Guilin 541006, China.

Guangxi Key Laboratory of Rare and Endangered Animal Ecology, College of Life Science, Guangxi Normal University, Guilin 541006, China.

出版信息

Animals (Basel). 2023 May 22;13(10):1712. doi: 10.3390/ani13101712.

DOI:10.3390/ani13101712

PMID:37238142

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10215144/

Abstract

A new species of the genus is described based on specimens from a karst cave in Andong Town, Xincheng County, Liuzhou City, Guangxi, China. sp. nov. can be distinguished from its congener species by the following combination of characteristics: eye degenerated into a black spot; whole body covered by scales, except for the head, throat, and abdomen; incomplete lateral line; forked caudal fin; 8-10 gill rakers on the first gill arch; 13-14 branched caudal fin rays; 8-9 branched dorsal fin rays; 5-6 anal fin rays; 9-10 pectoral fin rays; upper adipose keel depth mostly 1/2 of the caudal peduncle depth; and caudal fin forked.

摘要

基于采自中国广西柳州市忻城县安东镇一个喀斯特洞穴的标本，描述了该属的一个新物种。新物种可通过以下特征组合与同属其他物种区分开来：眼睛退化为一个黑点；除头部、喉部和腹部外，全身覆盖鳞片；侧线不完整；尾鳍分叉；第一鳃弓上有8 - 10个鳃耙；13 - 14根尾鳍分支鳍条；8 - 9根背鳍分支鳍条；5 - 6根臀鳍鳍条；9 - 10根胸鳍鳍条；上脂鳍深度大多为尾柄深度的1/2；尾鳍分叉。