Also, goldfish may grow lonely because they are social fish. Maybe in the future you should consider upgrading to a 20 gallon so you could have another fish for company, or else overfilter that tank if you put another goldie in.
Also, goldfish may grow lonely because they are social fish. Maybe in the future you should consider upgrading to a 20 gallon so you could have another fish for company, or else overfilter that tank if you put another goldie in.