由于近岸水域污染等原因，１９９３年以来虾病肆虐，对虾大面积死亡，常规虾池高密度单品种养殖已难以取得好收益，多品种混养已成为虾池增产增收的主要养殖方式之一。近年来，笔者一直在福建省长乐市文武虾池进行缢蛏、黄鳍鲷、日本对虾混养，取得了较好的收益。一、虾池条件 Due to the pollution of nearshore waters and other reasons, the epidemic of shrimp disease and the large-scale death of prawn shrimp since 1993 have made it difficult to obtain good returns for the high-density single-species breeding of conventional shrimp ponds. Multi-species polyculture has become the main breeding method for increasing production and income of shrimp ponds one. In recent years, the author has been in Changle City, Fujian Province civilized shrimp ponds emu, yellow fin snapper, Japanese shrimp polyculture, and achieved good returns. First, the shrimp pond conditions