A goldfish bowl is an ornament with interesting symmetry but
many problems. Fish cannot hide from fellow fish or the outside world or search
for food or explore. Artificial life-support is at best almost non-existent.
Fish excretion pollutes the bowl. Sufficient oxygen cannot dissolve from the
atmosphere into the water. Sunshine drives out the oxygen already in the water.
Goldfish in a bowl face a lifetime of distress and tedium. Endless numbers of
fish die slowly in bowls. Bowled fish cannot wave placards at us to inform of