What other fish can I keep with one common goldfish in a 5.5-gallon aquarium? - Quora

Answer (1 of 8): The other user is correct that 5.5g is technically small for a gold fish. But nobody are buying up all those goldfish for ponds. The thousands of gold fish in the store are most of them going to end up as pet food or not find suitable homes or find homes in a much smaller tank th

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What other fish can I keep with one common goldfish in a 5.5

Is it possible to have too many goldfish in one aquarium? - Quora

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What other fish can I keep with one common goldfish in a 5.5

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How many types of fish can be kept in one tank? - Quora