The growth and fecundity of Siniperca chuatsi and Siniperca kneri are investigated.The results show that Siniperca chuatsi grows faster than Siniperca kneri.There are curve regression relationships between the body weight(m) and standard length(L) with relational expressions as follow: m=0 081 L 2.71 and m= 0 076 55 L 2.59. Siniperca chuatsi’s fecundity is bigger than that of Siniperca kneri. Siniperca chuatsi and Sniperca kneri attain maturity at two-winter-age and three-winter-age respectively.In addition,the growth equation,the growth speed and growth acceleration equation of body length and body weight are also studied.
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