天津厚蟹(Helice tientsinensis Rathbun)广布于我国广东至辽东半岛,穴居于沿岸或河口的泥滩上;厚蟹数量大,是沿岸渔民的佐餐佳品。在长江口及邻近水域,由于它的大眼幼体常大量混杂在捕捞的河蟹蟹苗中,因此,如何区别天然蟹苗中混杂的天津厚蟹等大眼幼体,是养殖生产亟待解决的问题。作者采集天津厚蟹的抱卵亲蟹,在实验室内进行孵 Helice tientsinensis Rathbun is widely distributed in Guangdong Province and Liaodong Peninsula in China, and lives on the mudflats along the coasts or estuaries. The large number of thick crabs are the staples of fishermen along the coast. In the Yangtze River estuary and its adjacent waters, its large octopus is often mixed with crabs and crabs. Therefore, how to differentiate the giant crabs such as the giant crab in natural crabs is a problem to be solved urgently. The author collected from Tianjin thick crab crab holding crabs, hatching in the laboratory