Okay, so I have this 15 gallon (24x12x12). I'm thinking a small school of cardinal tetras and a German blue ram. Any suggestions on another fish to add? One that will do well without a school, but is peaceful enough to get along? I wish I could get a female ram, but I don't want the territorial aggression if they decide to breed. Also, keeping it South American would be nice, but isn't necessary.
Whatever you suggest, how many cardinal tetras should I get considering the combination?
Whatever you suggest, how many cardinal tetras should I get considering the combination?
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