Abstract: Based on the observations of Sarcocheilichthys kiangsiensis Nichols sampled from the Shihe River,the round lines of the scales of Sarcocheilichthys kiangsiensis Nichols situated at the front area(proparea) was found much denser than the lateral area,and annual rings in the lateral area compared with other areas are relatively clear,while the back area are hard to distinguish due to the cutting off by the radial groove.Sarcocheilichthys kiangsiensis Nichols feeds primarily on diatom which account...