云南裂腹鱼(Schizothorax yunnanensis)、澜沧裂腹鱼(S.lantsangensis)和光唇裂腹鱼(S.lissolabiatus)同属鲤形目、鲤科、裂腹鱼属。因其具有特化的臀鳞,并在两列臀鳞之间的腹部中线上形成一条裂缝,故称“裂腹鱼”[1]。云南裂腹鱼主要分布于澜沧江中游的洱海、弥苴河和剑湖等水域;澜沧裂腹鱼主要分布于西藏和云南澜沧江干支流;光唇裂腹鱼主要分布于南北盘江、元江、澜沧江和怒江等水域[2]。基于其独特的特 Schizothorax yunnanensis, S. lantsangensis and S.lissolabiatus belong to the genus Cyprinidae, Cyprinidae and Sarcothrix. Because of its specialized gluteal scales, and in the two midline abdomen between the hip scales to form a crack, it is called “Crape myrtle ” [1]. The crape mynai were mainly distributed in the Erhai Lake, the Mijiahe River and the Jianhu Lake in the middle reaches of the Lancang River. The Crataegus monocots in the Lancang Mountains were mainly distributed in the dry tributaries of the Lancang River in Tibet and Yunnan. Nu River and other waters [2]. Based on its unique special