洛氏鱥(Phoxinus lagowskii Dybowskii)在鱼类分类学上隶属鲤形目Cypriniformes、鲤科Cyprinidae、雅罗鱼亚科Leuciscinae、鱥属Phoxinus Agassiz,曾用名长尾鱥、拉氏鱥,渔民常称为柳根池。洛氏鱥为江河野生的小型经济鱼类,自然状况下主要分布于新疆北部及黑龙江流域,该鱼身体较长,稍侧扁,呈纺锤形,背部灰黄色,有小黑斑点,自背部正中至尾柄有不明显的黑条纹,腹部和体侧银黄色或银白色。该鱼 Phoxinus lagowskii Dybowskii belongs to Cypriniformes, Cyprinidae, Cyprinidae, Leuciscinae and Phoxinus Agassiz in fish taxonomy. Willow root pool. Under the natural conditions, the Rockfish is mainly distributed in the northern part of Xinjiang and the Heilongjiang River. The fish body is longer, slightly flattened, spindle-shaped, grayish yellow on the back, with small black spots. From the middle of the back to Tail handle has no obvious black stripes, the abdomen and the body side silver yellow or silver white. The fish