The mud crab,Scylla sp.,is an important crustacean species farmed on a commercial scale in China.They are polycultured with fish or shrimp,but mud crabs are now monocultured in increasing density to supply the growing...
In general,crab receives copious quantities of seminal fluid during mating,and stores them in special seminal receptacles,viz.spermatheca,for a prolonged period.The spermatheca of the advanced brachyuran crabs has bee...