In Callinectes similis, there are generally 8 zoeal stages and 1 postlarval, or megalopal stage (Bookhout and Costlow 1977). Larval release usually occurs at high tide assuring larval abundance is at its peak during the ebbing tide. Crab larvae are advected offshore, and complete development in coastal shelf waters. The typical time for development through the 7 zoeal stages is between 30-50 days before metamorphosis to the megalopal stage. The megalop persists between 6-58 days. It is widely believed that the megalopal stage subsequently returns to the estuaries for settlement, and recruitment to adult populations (Barnes 1980, Hsueh et al. 1993).
No one has provided updates yet.