The present invention relates to a three-dimensional aquarium and, more specifically, to an outdoor aquarium joined to various structures, wherein the outdoor aquarium is installed at the place where pedestrians may pass, such as a sidewalk or a bridge, to create a natural friendly environment, thereby easing the mind and body of the pedestrians, constructing live street cultures, improving water quality, and preserving hydroecological systems. The present invention comprises: a water bath part, which is formed in a shape of a box with a hollow inner portion, to store water or seawater, and has an input hole formed by opening the top side, wherein water or seawater and fishes are put in or discharged through the input hole a plurality of support parts, which support the water bath part from below, are arranged at predetermined intervals along the length of the water bath part, and has a shape corresponding to the shape of an external surface of the water bath part such that upper surfaces of the support parts are in close contact with the external surface of the water bath part a connection part, which is formed in a shape of a hollow tube, and has insertion holes formed in the front end such that the water bath part is inserted into and coupled with the insertion holes a feed supply unit, which is provided at one side of the water bath part, and supplies the fish feed to the water bath part an illuminating part, which emits light in a state in which natural light has a low level of illumination, such as at night or in case of rain, to illuminate the water bath part and a management part, which includes a temperature sensor for sensing the temperature of the water or seawater to inform the sensed data to the outside.COPYRIGHT KIPO 2016본 발명은 입체 수족관에 관한 것으로, 보다 상세하게는 인도, 교량 등과 같이 보행자가 통행할 수 있는 곳에 설치되어 자연 친화적인 환경을 조성하여 보행자의 심신을 안정시키며 생동감 있는 거리 문화를 조성하고 동시에 수질개선 및 수생태계를 보전할 수 있도록 한 각종 구조물 접합 옥외수족관에 관한 것이다.이를 위해 본 발명은, 내부가 빈 함체 형상으로 이루어져 물 또는 해수가 저장되고, 상단이 개방되어 물 또는 해수 및
