Is it possible to put freshwater lake fish into an aquarium?

Luke

New member
I realize that some may get too big
I realize I can go to a fish store and get cooler looking fish
I realize there may be laws against it

I would just like to know what I need to do to get the fish adjusted to their new water or if it will work at all. Like what foods and what temperature would the tank need to be. I am only talking about a couple fish that I know won't grow too large. Just help me if you know anything about the subject please.
 
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