Pro-Salt Frozen Foods APS45040 Frozen Krill Food for Fish, 4-Ounce Krill For Fish Uses The Finest Quality Krill That Are Flash Frozen And Then Packed With Only The Minimum Amount Of Water Features Freeze Dried Euphausia Superb As Ingredient Contains growth essential proteins, amino acids, vitamins, minerals, energy sources such as wax esters, marine lipids and carbohydrates Feed Once Or Twice Daily, Whole For Large Fish And Crumble Into Smaller Pieces For Smaller Fish Comes In 4-Ounce Flat Pack