Crab & Crayfish Sinking Blended Diet is a Specially Formulated Diet made from Protein Packed Pellets and Growth Enhancing Sticks. Made with Spirulina and Added Vitamin E, D3 & B12! Great for Red Claw Crabs, Fiddler Crabs, Crayfish and Miniature Lobsters! Shrimp, Snails and other bottom feeders also love this Food!