The Hikari Tropical Shrimp Cuisine Fish Food is a formulated diet that is perfect for all types of freshwater ornamental shrimp. This fish food includes natural color enhancers like spirulina, seaweed and alfalfa meal, as well as an astaxanthin that helps to reduce color fading. The diet also includes a vitamin and mineral mix that supports immune system health, and it promotes proper ecdysis (moulting).