In order to evaluate nutritional value of Squaliobarbus curriculus and Cirrhinus mrigala to Sinaperca chuatsi, chemical components were determined and energy density were estimated in S. curriculus with body weight of(5.27±1.03) g,C. mrigala(5.05±1.21) g and S. chuatsi(5.19±0.92) g, to explore the feasibility of replacing C. mrigala with S. curriculus in S. chuatsi culture. The results showed that protein content of whole fish in S. curriculus and C. mrigala was significantly higher and moisture content was significantly lower than that of S. chuatsi (P<0.05). The essential amino acid indexes of the two fishes reached 92.56%±2.31% and 93.17%±0.36%), respectively. Chemical score of most essential amino acids were higher than 0.84. Fat content and energy density of S. curriculus were significantly higher than those of C. mrigala and S. chuatsi, and ash content was significantly lower than that of C. mrigala (P<0.05). It indicated that the two fishes had high nutritional value to S. chuatsi, but S. curriculus showed higher nutritional value than C. mrigala. It is feasible to use S. curriculus to replace C. mrigala in S. chuatsi culture, which provides a reference to transform culture methods in S. chuatsi.