Abstract:This paper is a report of the preliminary study on the growth of the indoor cultured P.trituperculatus at the southern coast of Bo Hai in 1982.There are some results as follows:1. Young crabs,which were hatched about at the end of May and developed in the second ten days of June,were cultivated for 3 months at 20°-30℃ and became mature by the end of August.During this period, the male crabs shed-ded off their shells 8-10 times and their weights attained to 55.5-176.4g.The female crabs shedded off their shel...