Any small schooling fish species appropriate for cold freshwater?

C

chocoboryo

New member
Are there any small schooling fish that I can add to my large coldwater tank? It has two goldfish.

If not, what if I added a heater and raised the temperature to say, 18 degrees celcius or something? What that give more choices or would that make the small fish or my goldfish uncomfortable?

Thanks. Just seeing if this is a choice at all.
 
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