Cobitis
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Using the methods of classical shape size measuring and chromosome analysis, we studied the morphological characters and Karyotype of Cobitis sinensis in Xiangjiang River. We also investigated the evolution line and Karyotype polymorphism of the C . sinensis by the methods of cytological classification and cytocatalytic. Our results suggest that the formation of chromosome polymorphism was concerned with heterologous hybridization and some of C . sinensis may perpetuate in a clonal manner by natural gynogenesis.
本文以湘江流域的中华花鳅为研究对象，运用经典的形态测量观察方法、染色体制片技术对中华花鳅的形态生态特征、染色体组型进行了初步研究：运用细胞分类和进化方法对中华花鳅的核型演化和核型多态现象的形成进行了分析，提出：其核型多态的形成牵涉到鳅科鱼类的异源杂交，某些中华花鳅可能是行雌核发育生殖的。
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Cobitis：花鳅属
鳅科 Cobitididae | 花鳅属 Cobitis | 花鳅 C. taenia
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Cobitis taenia：花鳅
我国产 100余种,较常见的有:花鳅(Cobitis taenia),皮下有眼下刺;触须3对;体细长而侧扁,侧线不完全;背部及体侧各有10余个褐斑,生活在江边或湖岸的浅水处,觅食枝角类、藻类和植物碎屑,主要分布于长江以北地区.
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Cobitis taenia：沙鳅
沙鳅 Cobitis taenia | 蝙蝠蛇科 COBRAS | 古柯碱 cocaine; cocaina
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Cobitis lutheri：黑龙江花鳅
四、鳅科 Cobitidae | 28、黑龙江花鳅 Cobitis lutheri | 29、北方花鳅 Cobitis granoei
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Cobitis lutheri：怀头鲶
五、鲶科 Silurus soldatovi | 31、怀头鲶 Cobitis lutheri | 32、鲶 Cobitis granoei
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