This article presents a study of D-loop sequences to characterize the genetic diversity wild Macrobrachium nipponense populations in Yixing natural waters including two reservoirs (Hengshan reservoir, HS; Youche YC), 3 brooks (Linjin Dang, LJD; Magong Dushan MDD; Yangshan YSD) and shallow lakes (Dongjiu lake, DJ; Xijiu XJ; Tuanjiu XJ), compared differentiation population structure with Taihu La...