Hikari’s extensive, multi-step sterilization process assures unequalled product quality. Free of harmful parasites, unwanted bacteria and foul odor. Bio-Pure frozen foods are another example of Hikari’s product quality commitment. These plankton ingesting copepods (Oithona similis) are naturally high in phytoplankton and other diatomic food sources and offer an excellent feeding choice for most filter feeders kept in a reef aquarium or to help newborn fish through their early developmental stages. We pack them during their peak nutrient period,then gut-load them with Bio-Encapsulated multi-vitamins and Omega-3 fatty acids, to offer a dependable nutrient source. Try our maximum nutrition with minimum mess formula for success. When you want the best for your aquatic pets, look to Hikari.