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白甲鱼Varicorhinus(onychostoma)simus(Sauvage et Dabry)。天柱县俗称“短头”,属鲤科鲃亚科突吻鱼属白甲鱼亚属。体纺锤形,侧扁,背部弧形而腹部圆。头后背部稍微隆起,头短而宽,吻圆钝,向前突出,吻皮下垂盖住上唇部。口颇宽,下位,横裂,下颌裸露,具有锐利的角质前缘。成鱼须退化。侧线鳞46～49,背鳍硬刺具锯齿。背部青黑色,腹部白色。常见个体1～4斤,最大个体可达7斤。肉细嫩,富脂肪,生长较快,是天柱县群众喜食的一种经济鱼类。
Varieorhinus (onychostoma) simus (Sauvage et Dabry). Tianzhu County, commonly known as “short head”, is a Cyprinidae subfamily kissing fish is a white turtle subfamily. Body spindle, side flat, curved back and abdomen round. Back slightly raised head, short and wide head, blunt kiss, forward protruding, kiss kiss drooping to cover the upper lip. Wide mouth, lower, transverse, jaw bare, with a sharp cuticle front. Adult fish must be degraded. Lateral scales 46 ~ 49, dorsal fin thorn with serrated. Back blue, white belly. Common individual 1 to 4 pounds, the largest individual up to 7 pounds. Tender meat, fat, fast growth, Tianzhu people eat a kind of economic fish.