Superfish Freeze-Dried Pacific Krill contains natural astaxanthin, which gives it a beautiful coloration and a high protein content. Pacific Krill is suitable as a supplemental feed for large freshwater fish, marine fish, turtles, and frogs that require a protein-rich diet. Freeze-drying perfectly preserves all nutrients and eliminates pathogens, making it a safe and nutritious food! Give your fish what they eat in the wild by combining freeze-dried food with your regular daily food to provide your fish with a varied diet.