The utility model discloses a multi-layer roe
hatching device which comprises a frame body, a plurality of
layers of separating frames and a plurality of
layers of
hatching devices. The incubation drawers are arranged on the partition frames on the corresponding
layers in a sliding mode, water inlets and water outlets are formed in the incubation drawers, plugs are detachably connected to the water outlets, and water return openings are further formed in the incubation drawers; the
hatching trays are arranged in the corresponding hatching drawers, and water outlet parts communicated with the hatching drawers are arranged on the bottom surfaces and the side walls of the hatching trays; the
water flow circulating
pipe fitting comprises a water outlet
pipe fitting and a water return
pipe fitting, the water outlet
pipe fitting is connected with the water inlet, the water outlet
pipe fitting is configured to simulate
natural water flow to
discharge water for roe incubation, the water return
pipe fitting is connected with the water return port, and the water return pipe fitting is configured to recover water in the roe incubation process. The space occupied by the multi-layer roe hatching device is reduced, and the hatching efficiency is improved.