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[一种新的盲金线鲃物种,广西安水金线鲃(鲤形目:鲤科)]

[A new blind barbine species, Sinocyclocheilus anshuiensis sp. nov.(Cypriniformes: Cyprinidae)from Guangxi, China].

作者信息

Gan Xi, Wu Tie-Jun, Wei Mu-Lan, Yang Jian

机构信息

Guangxi Institute of Fisheries, Nanning 530021, China.

出版信息

Dongwuxue Yanjiu. 2013 Oct;34(5):459-63.

Abstract

This study describes a new blind barbine fish species, Sinocyclocheilus anshuiensis sp. nov. discovered based on five specimens collected from a cave in Luolou town, Lingyun County, Guangxi, China, in June and July 2012. Sinocyclocheilus anshuiensis is distinguished from other species of Sinocyclocheilus by having the following combination of characteristics: dorsal fin with 7 branched rays, last unbranched dorsal-fin ray weak with serrations on posterior edge of its lower part; pelvic-fin origin anterior to dorsal-fin origin; dorsal profile of head sharply uplift, a forward flesh tuber present on frontal; body covered with scales, and lateral line with 34-38 scales, lateral line scales are as big as their neighbor scales; caudal peduncle with developed fresh crests.

摘要

本研究描述了一种新的盲金线鲃鱼类,即2012年6月和7月在中国广西凌云县逻楼镇一个洞穴中采集的5个标本所发现的安水金线鲃(Sinocyclocheilus anshuiensis sp. nov.)。安水金线鲃与其他金线鲃属物种的区别在于具有以下特征组合:背鳍具7根分支鳍条,最后一根不分枝背鳍鳍条较弱,其下部后缘有锯齿;腹鳍起点位于背鳍起点之前;头部背面急剧隆起,额部有一个向前的肉质瘤;身体被鳞,侧线有34 - 38枚鳞片,侧线鳞与其相邻鳞片大小相同;尾柄有发达的肉质嵴。

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