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SECONDARY SEXUAL CHARACTERS, PIGMENTARY ZONES OF GAMBETTA AND TAXONOMICAL REVISION THE GENUS COBITIS FROM CHINA (PISCES, COBITIDAE, COBITINAE)
Pages: 647-658
Year: Issue:  4
Journal: ACTA ZOOTAXONOMICA SINICA

Keyword:  鳅属分类整理副性征噶氏斑纹中国;
Abstract: 根据噶氏斑纹和雄性个体的副性征,对我国的鳅属鱼类进行了分类整理.一直被作为中华鳅Cobitis sinensis Sauvage et Dabry,1874同物异名的长吻鳅G.dolichorhynchus Nichols,1918和稀有鳅C.rarus Chen,1981不仅在噶氏斑纹上存在差异,而且它们雄性个体的副性征也明显有别,为有效种;而1925年Nichols命名的花斑鳅C.melanoleuca Nichols,1925与北方鳅C.granoei Rendahl,1935或中华鳅不同,也为有效种.因此,鳅属鱼类在我国共有8种,即中华鳅、黑龙江鳅C.lutheri Rendahl,1935、北方鳅、稀有鳅、沙花鳅C.arenae(Lin),1943、长吻鳅、花斑鳅和大斑鳅C.macrostigma Dabry,1872.这8种鱼类的雄性个体在胸鳍基部第1根分枝鳍条上均具有一个骨质突起(lamina circularis),且鳞片小,呈圆形或椭圆形,鳞焦大等特征;可进一步划归为鳅属中的鳅亚属Cobitis s.str..
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