Hikari Frozen Okanagan Lake Freshwater Mysis Shrimp is a high-quality frozen fish food made from 100% natural, wild-caught freshwater Mysis Shrimp from Canada's pristine, glacier-fed Okanagan Lake. This nutritious treat is naturally gut-loaded with planktonic algae, low in sodium, and highly flavorful, making it an ideal choice for most freshwater or marine aquarium fish.