i have fishes and do not know what to do.?

I don't suggest putting them together some types of goldfish can get up to 12inces and the bowl will be to small and even though bettas don't get that big, they will most likely kill the goldfish in its younger age (canabolism lol :D) so maybe you could get a seperate tank to keep the goldfish in and the betta could stay in the bowl there may be few cases in which this could work where the goldfish and betta get along but most of the time it never happens good luck
 
Betta fish nor goldfish belong in bowls. Goldfish require many many gallons of water as they grow to very large sizes and are very messy fish. Betta fish should have at least a couple gallons. Keep your betta alone. As for your goldfish, do what you can provide.
 
If you want your betta fish to disappear, then go ahead and put them together. The goldfish eats most smaller fish.
 
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