Four Varieties of Food. For All Freshwater Fish. Freshwater Multi-Pack™ is four varieties of food in one package! It contains six cubes each of Freshwater Frenzy™, Emerald Entrée™, Bloodworms, and Spirulina Brine Shrimp. These select foods accommodate all freshwater tropical fish species feeding at all trophic levels‚ from surface-feeding livebearers, mid-level tetras to bottom-dwelling cory cats. Freshwater Multi-Pack is an excellent choice for feeding freshwater community aquariums.