Covering structure for exterior of aquarium

A covering structure for exterior of aquarium, comprising a peripheral covering layer and an upper covering layer, wherein the peripheral covering layer is configured with a plurality of slide grooves, and shape of the slide grooves enables fitting to the corners of an aquarium, moreover, the peripheral covering layer is configured with uncovered open spaces to enable viewing and admiring of the aquarium;

• wherein shape of the plurality of slide grooves of the peripheral covering layer is changed according to the dimensions of different aquariums, an inwardly recessed L-shaped design of the slide grooves enables a tight fit to an aquarium, thereby enabling the peripheral covering layer to tightly mount onto the corners of the aquarium, and thus avoid the danger of the aquarium sliding off, moreover, the L-shaped slide grooves facilitate mutual interplay between the covering structure and the aquarium, and enable the covering structure to be quickly mounted onto and separated from the aquarium, thereby substantially saving on time and providing extreme convenience, moreover, the peripheral covering layer enables extending different exterior structures to achieve innovative amusement and improving appreciative value of the aquarium.