This is an aquarium for goldfishes. My grandchildren played with scooping up goldfishes at the star festival 7/7 in Kofu and brought 3 fishes to my home. As the fishes died in several days every year, we bought this aquarium with the system of making bubbles for receiving oxygen this year. They were swimming actively until yesterday morning, but when I came home at night, the red fish was not find in an aquarium , I worried about if the red gold fish died. It was reality and it was buried in the corner of our garden by my wife. Reminding in my heart the sight of its active swimming images , I felt deep sorrow at its death. I was surprised so sad as the such small fish died. After going to bed, my heart was constricted.