In the large warehouse of Taicang City, Taicang Agricultural Cooperative, a "fish dish symbiosis" circulatory system consisting of fish pond, filter box, constructed wetland, etc., is running in a large pool of clear water, herring, bream, carp and so on Eating grass. According to reports, "fish dishes symbiotic" is a cooperative farming and breeding experiments, the opening of six months to fish fish, run well.