native tank

I am wondering the care of fish in this genus. I am thinking of using the fish in a 29 gallon aquarium. How hard would it be to breed them? I would be capturing a few from a local pond.

Recently my husband decided he wanted to start a North American Native tank & we have received 5 young (probably 1 week - 4 week old) Green Sunfish. In attempt to have 1 less tank in the house (yeah..right.  ) We decided to add our shubunkin koi to the tank (5)  because we had heard of people...