Patent ID: 8453605

Claim:
An aquarium system for aquatic organisms, comprising: an aquarium; a partition wall arranged to divide an inside of the aquarium into a nurturing zone and a purifying zone; a circulation pump arranged to circulate water between the nurturing zone and the purifying zone; and at least one purifying device selected from a filter for filtering water by making the water pass through a filtering material, a protein skimmer for removing proteins contained in the water by making the proteins adhere to air bubbles, and an ultraviolet light irradiator for sterilizing the water by irradiating ultraviolet light to the water, wherein the circulation pump and the at least one purifying device constitute a unit member, wherein the unit member is mounted on a mounting frame to thereby form a purification unit, wherein the purification unit is received within the purifying zone of the aquarium adjacent to the partition wall without being secured to the partition wall or to the aquarium so that the purification unit is accommodated in the purifying zone in a removably inserted manner, wherein the mounting frame is constituted by a casing configured to accommodate the unit member in a removably inserted manner, wherein the casing has a pump chamber and the circulation pump is disposed in the pump chamber, and wherein an opening portion for removing and inserting the unit member is formed on a wall of the casing corresponding to the pump chamber.