Indoor domesticating device for wild parent fish of triplophysa triplophysa

The indoor domesticating device comprises a filtering device, a cylinder body and a power source, one end of the filtering device is communicated with a water inlet pipe, and the other end of the filtering device is communicated with a water outlet pipe; a cylinder opening is formed in the top of the cylinder body, and an anti-escape cap-shaped floor drain is installed on a cylinder bottom plate at the bottom of the cylinder body in a penetrating mode and communicated with a bottom drainage pipe. A cobblestone layer and a PVC pipe section layer are sequentially arranged above a cylinder bottom plate of the cylinder body from bottom to top, the PVC pipe section layer is provided with a hole A communicated with an inner cavity of the cylinder body, the cobblestone layer is provided with a hole B communicated with the hole A, and a sewage discharge cavity communicated with the hole B is formed between the cobblestone layer and the cylinder bottom plate; a plurality of oxygenation drainage pumps and heating rods