Aquaculture device

The utility model provides an aquaculture device. The aquaculture device comprises a tank body, a comprehensive processing box, a water pump and an ultraviolet sterilizer, wherein the comprehensive processing box is divided into a first isolated layer, a second isolated layer and a third isolated layer from top to bottom, the first isolated layer is a protein separating layer, the second isolated layer is a biological filter layer, and the third isolated layer is a sand filter layer; the tank body, the sand filter layer, the water pump, the ultraviolet sterilizer, the protein separating layer and the biological filter layer are connected in sequence through pipelines, and a water outlet of the biological filter layer is connected with the tank body through a pipeline. The aquaculture device provided by the utility model has the advantages of high equipment integration, high water treatment efficiency, stability and reliability in operation, safety, high efficiency, small occupied area, low cost, convenience i