Hi, my son really wants to get a fish tank. Probably somewhere in the vicinity of 10 to 20 gallons. Unlikely it will be larger than that period plan on it being a freshwater tank. I'm looking for suggestions on colorful low maintenance fish that would be suitable for that size tank, and being kept together. There might be no such thing, but I figure that asking on the site from people who are really into it, would help us make an informed decision.

Thanks

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