The 2.2 lbs bag of Hikari Micro Pellets are designed for small fish with big appetities. The pellets are made with increased proteins to stimulate noticeable growth and a host of other ingredients were specifically added to the mixture due to their proven benefit on digestive health. The pellets contain a balance of krill and spriulina that will help reduce the instances of colour fading from your bright and beautiful fish. For small fish, flake food may need to be crushed up and may not provide all of the required nutrients before dissolvign in the water, but these slow sinking micro pellets are ideal for small fish, and provide the essential nutrients and vitamins to keep them going. All manner of tropical fish both freshwater and saltwater can greatly benefit from a daily regimen of Hikari Micro Pellets during feeding time.