I have a small outside pond for my turtles and I have 2 small koi in there. They don't grow into the huge ones, I just don't know the name they call the smaller ones. Anyways, this is the first time we put fish in the pond and for the winter I was wondering if I could put them in a tank. It would just be the 2 fish, with some small minnows, but is that okay? What should I put in the tank? Do I make it like a regular goldfish tank? I know that you are supposed to buy a heater for the winter and all that, but the pond is so small it's useless to do that. Please help me out, thanks!!
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