Gamma radiated, free of parasites and harmful bacteria. Excellent growth enhancer for freshwater fish. All Freshwater Angels, Discus, Barbs, Cichlids, Gouramis, Live Bearers, Loaches, Eels, Catfish, Tetras, Sharks & Silver Dollars. Crude Protein Min 51.50% Crude Fat Min 12.00% Crude Fiber Max 8.00% Moisture Max 5.01% Info from San Francisco