All Natural, contains No GMO or land animal products, Aquaorganic® Fish Food is especially formulated for fish and plant health in aquaponics. We take your health seriously, good for them, good for your plants, good for you. Suitable for Rainbow Trout, Silver Perch, Murray Cod, Golden Perch, Catfish. “…. it’s like giving Smacko’s to your fish, they love the natural taste!”