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黄爱民, 杜丽娜, 陈小勇, 杨君兴. 2009: 广西岭鳅属鱼类一新种——大鳞岭鳅记述. 动物学研究, 30(4): 445-448. DOI: 10.3724/SP.J.1141.2009.04445
引用本文: 黄爱民, 杜丽娜, 陈小勇, 杨君兴. 2009: 广西岭鳅属鱼类一新种——大鳞岭鳅记述. 动物学研究, 30(4): 445-448. DOI: 10.3724/SP.J.1141.2009.04445
HUANG Ai-min, DU Li-na, CHEN Xiao-yong, YANG Jun-xing. 2009: Oreonectes macrolepis, A New Nemacheiline Loach of Genus Oreonectes (Balitoridae) from Guangxi, China. Zoological Research, 30(4): 445-448. DOI: 10.3724/SP.J.1141.2009.04445
Citation: HUANG Ai-min, DU Li-na, CHEN Xiao-yong, YANG Jun-xing. 2009: Oreonectes macrolepis, A New Nemacheiline Loach of Genus Oreonectes (Balitoridae) from Guangxi, China. Zoological Research, 30(4): 445-448. DOI: 10.3724/SP.J.1141.2009.04445

广西岭鳅属鱼类一新种——大鳞岭鳅记述

Oreonectes macrolepis, A New Nemacheiline Loach of Genus Oreonectes (Balitoridae) from Guangxi, China

  • 摘要: :2008年6月20日,在广西壮族自治环江毛南县大才乡神龙宫(河)采集到一批条鳅标本。经鉴定,这批条鳅为岭鳅属(Oreonectes)一新种。新种大鳞岭鳅(O. macrolepis)属于叉尾岭鳅种组(O. furcocaudalis group)。但新种全身被有细密的鳞片;具5—12个侧线孔;眶下管孔3+7,眶上管孔为7—8;体长为尾柄高的7.0—10.8倍;头长为鼻孔处头宽的2.3—2.7倍;头长为最大头宽的1.4—1.8倍。这些特征可将新种与该种组内的其他种类相区

     

    Abstract: A nemacheiline loach, Oreonectes macrolepis sp. nov. has been recognized based on collections from a Pearl River Drainage in Maonan County, Huanjiang City, Guangxi, China, in June 2008. Oreonectes macrolepis is a new member of the O. furcocaudalis group. It can be distinguished from all its congeners in this group by the following characters: body entirely covered by scales, except between pectoral fins and pelvic fins; lateral line present, with 5–12 pores; cephalic lateral line system with 3+7 infraorbital pores and 7–8 supraorbital; Head length 2.3–2.7 times head width in nose; head length 1.4–1.8 times maximum head width; Standard length 7.0–10.8 times caudal-peduncle depth.

     

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