Underwater structure for trapping cephalopods to inhabit and lay eggs

The utility model discloses an underwater structure for trapping cephalopods to inhabit and lay eggs, and aims to provide an underwater structure for trapping cephalopods to inhabit and lay eggs, which is favorable for restoring the number of gorgonias and attracting the cephalopods to inhabit and lay eggs by utilizing the characteristic that cephalopods like drilling holes. The device comprises a base, the base sinks to the seabed, a plurality of lower mounting holes are formed in the upper surface of the base, and gorgonian cultivation blocks are mounted in the lower mounting holes; the upper frame comprises a left side plate, a right side plate and a top plate connected with the left side plate and the right side plate, the upper frame is supported on the upper surface of the base through the left side plate and the right side plate, the left side plate and the right side plate are connected with the base through bolts, and a space defined by the base, the left side plate, the right side plate and the top