PROBLEM TO BE SOLVED: To provide a cone or flat tunnel-like bottom discharging type goldfish bowl for a living box, including a draining tank which is intended to discharge filth delivered from a main body and is mounted in the lower end of the main body where a pet is bred.SOLUTION: The bottom discharging type goldfish bowl for a living box is provided that comprises: a main body 100 including a lateral side 120 and a lower end side 110 and having an opened upper end side； a draining tank 200 separated from the lower end side 110, tightly fixed on the lateral side 120 extended below the lower end side 110, and including at least one draining hole 290； and at least one draining valve 300 opening and closing at least one draining hole 290 above. In the lower end side 110 of the main body 100, a plurality of through-holes 111 penetrated from the draining tank 200 are formed.SELECTED DRAWING: Figure 1
