Abstract:In order to select suitable sea gulfs from the coastal waters of Qingdao for the growing of released Fenneropenaeus chinensis,we studied the species composition of fishery resources,stock biomass and growth characteristics of released F.chinensis in the Aoshan Bay from June to September 2010.The results showed that:(a)five bottom trawl surveys showed that the Oratosquilla oratoria had the highest catch,being 46.66% of all species' catches,while the catches of Cryptocentrus hexanema and Platycephalus indicus that are the predators of F.chinensis were 1.28%.The evaluation grade to biomass of phytoplankton was Ⅴ;(2)The trawl surveys showed that the recapture rate of F.chinensis was 0.10%,while the recapture rate of F.chinensis from production investigation of fisherman was 1.20%,a little lower than the results of most surveys in Bohai Sea.(3)The F.chinensis had fast growth rate,the male and female F.chinensis had different growth pattern during their growth period,the maximal dWt/dt of female F.chinensis was 0.88,and male was 0.47 g.The growth rate of male was faster than that of the female at early growth period.In late growth period,the growth rate of male and female F.chinensis ran counter to that of male and female F.chinensis in the early growth period.The body length of female F.chinensis was larger than that of male F.chinensis in catchable time.The body length asymptotic values of female and male F.chinensis were L∞=200.83 mm and L∞=172.64 mm respectively,while the weight asymptotic values of female and male F.chinensis were W∞=104.05 g and W∞=38.81 g respectively.The average weights of male and female F.chinensis in catchable time were 34.20 and 43.25 g respectively,reached the optimum catchable size.According to the species composition of fishery resources and the evaluation grade to biomass of phytoplankton in the Aoshan Bay,the growth characteristics and stock biomass of the released F.chinensis,we think that the Aoshan Bay is the suitable growth area for releasing F.chinensis.