<;P>;PROBLEM TO BE SOLVED: To provide a system for culturing fishes or shellfishes, which can efficiently culture fishes or shellfishes. <;P>;SOLUTION: The system for culturing fishes or the shellfishes includes a water-supplying or draining device 20 for supplying water to a culture aquarium 10 in which culture fishes 5, 5, etc., are cultured or draining both water and impurities from the culture aquarium 10, a feeding device 40 for supplying a feed to the culture aquarium 10 to accumulate the feed on the bottom of the culture tank 10, a feed-discharging device 50 for suspending the feed accumulated on the bottom of the culture tank 10 in the water in the culture aquarium 10, and a vertically liftable or lowerable buffer tank 80 for receiving the culture fishes 5, 5, etc., in the culture aquarium 10 and again returning the received culture fishes 5, 5, etc., to the culture aquarium 10. <;P>;COPYRIGHT: (C)2010,JPO&INPIT