Many species of fish are suitable for aquaculture and aquaponics. Species which have been researched and successfully reared in cages in the southeastern region of the U.S. include:catfish, trout, tilapia, striped bass, red drum, bluegill sunfish,crappie, and carp. As this interest continues to increase,more research into cage culture techniques and alternate species will no doubt occur. We have a PDF you can look at about freshwater species.