Have you ever set up an aquarium so that you could learn more about the fish?

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I raise tropical fish, more specifically American cichlids. They are as close to sunfish and bass as you can get without actually having the game fish in your aquariums. I have found that by watching the cichlids and doing different things with them that they will react in ways that resemble the sunfish (and basses). What I am wondering is how many of you have done the same or even set up a tank with bass and/or sunfish or other gamefish. If you did , did you have the permits and/or fishing licience to do so?