Superfish Freeze-Dried Artemia (Brine Shrimp) is a natural source of fatty acids and natural algae and is an ideal dietary supplement for freshwater fish, marine fish, and invertebrates. 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.