A fish bowl is not a solution its what you keep your goldfish/ beta fish in :P
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A fish in a bowl
If you want a fish bowl fish I recommend a betta fish but, none do.
A betta fish is the only fish that can stay in a bowl :) hope I helped :)
It is usually a suspension.
The solution will gain water from the fish, till the fish shrinks, and if the fish is not removed from the solution, the fish will die
it depends how big the fish bowl is
If the fish bowl is big enough, yes.
I guess you mean Puffer fish. If so, then the answer is definitely NO! IMO there is no fish that should be kept in a fish bowl.
it depends how big the hermit crab is or the fish bowl