Cobalt Mysis Spirulina flake fish food is a highly palatable Mysis shrimp and Spirulina algae based formula for all tropical and marine herbivores and omnivores. Great for finicky fish who are transitioning to prepared foods. Loaded with Omega 3's (EPA/DHA) and Astaxanthin for consistent growth and superior color. All Cobalt Flake foods feature Cobalt's BLUE flake, which has triple concentration of vitamins that help support a healthy immune system. In addition, Cobalt flakes are packed with Probiotics that support a healthy digestive system.