Fish production Tilapia is the fish species most com-monly cultured in aquaponic sys-tems. Although some aquaponic sys-tems have used channel catfish, largemouth bass, crappies, rainbow trout, pacu, common carp, koi carp, goldfish, Asian sea bass (barramun-di) and Murray cod, most commer-cial systems are used to raise tilapia.
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