锯缘青蟹(Scylla serrata)是一种经济价值很高的食用蟹,具有生长快、适应性强的特点,最大个体可达2公斤以上。它分布于日本之相模湾以南,经中国台湾省至印度太平洋及非洲南部等热带海域的港湾及沿岸红树林沼泽地。近年来由于捕捞过度,其资源有不断下降的趋势,但许多地方已开始了人工养殖,尤其在亚洲。在印度尼西亚、菲律 Scylla serrata is a kind of edible crab with high economic value. It has the characteristics of fast growth and strong adaptability. The largest individual can reach 2 kg or more. It is located in the south of Sagami Bay in Japan, by the Taiwan Province of China and India to the Pacific Ocean and southern Africa and other tropical waters of the harbor and coastal mangrove wetlands. In recent years there has been a declining trend in its resources due to over-exploitation, but many areas have started their own farms, especially in Asia. In Indonesia, the Philippines