当家塘是农村蓄水灌溉用塘，以前水体的生产潜力没有被充分挖掘，随着水产养殖业的发展，当家塘被农户承包，在保证农田灌溉用水的同时，开展水产品养殖。但养殖方式简单，且品种单一，经济效益也不高。斑点叉尾鮰自１９８４年从美国引进后，经多年的养殖实践证明，该鱼具有生 When the pond is a rural pond for water storage irrigation, the production potential of the water bodies was not fully exploited. With the development of aquaculture, when the ponds are contracted by farmers, aquaculture breeding is carried out while ensuring farmland irrigation water. However, the breeding method is simple, and a single species, economic efficiency is not high. Channel catfish 鮰 since 1984 after the introduction from the United States, after years of farming practice has proved that the fish with Health