Five quantitative traits including shell length(x_1),shell height(x_2),shell width(x_3),total height(x_4),and body weight(y)were measured and statistically processed by correlation analysis,path analysis,and stepwise regression analysis in 120 individuals of one-year-old freshwater mussel Hyriopsis cumingii to evaluate the correlation between morphometrical characters and body weight.Results showed that there was significant Pearson correlation between morphological characters and body weight(P<0.01).Shell ...