Brine Shrimp + Mysis is great to get finicky fish to start eating. Use mainly for smaller fish, or fish with small mouths. Great for freshwater fish such as Cichlids, Livebearers, Tetras, Rainbows, as well as marine fish such as Blennies, Dragonets, Gobies, Butterflies, Boxfish, Tangs, Angels and more. This product has all the benefits of Brine Shrimp with the addition of Mysis in one convenient package. Brine Shrimp should be use in rotation with other foods.