An aquarium suitable for keeping, maintaining and displaying jellyfish is described. The aquarium has a container having a first and second exterior wall and a panel connecting the first and second exterior wall and defining an interior of the container, an interior wall having an upper and lower side, an upper and lower end, a first and second side, wherein the first side of the interior wall is connected to the first exterior wall of the container and the second side of the interior wall is connected to the second exterior wall of the container, and further wherein the interior wall is positioned parallel at least a portion of the panel along at least a side of the exterior wall to form a channel therebetween, an air pump positioned in communication with a lower end of the channel and a power supply.