形态描述
体长形，侧扁，前背窄棱状。口裂斜，上、下颌各有齿1行。背鳍高大，上缘圆凸。脂鳍很小，尾鳍深叉形，下叶常较宽大。背部深紫色，体侧淡黄色。成鱼体侧有较多的斑点且颜色鲜艳。雌雄在外形上区别比较明显，雄鱼背鳍特别高大且鲜艳，雌鱼背鳍较低。
生物学
The grayling is a coldwater fish, and running water which have sandy or gravelly
inhabits the bottom. This fish is found in Xinjiang,distributes to the E-erqisi River.
国内分布
E'erqisihe Riv.