Natural food for marine fish Enhance the health and vibrancy of your marine aquarium fish with The Coral Ranch's premium Nori Seaweed. Our nutrient-rich Nori algae, packed with essential vitamins and minerals, supports digestion, enhances coloration, and promotes active behavior. Provide your herbivorous and omnivorous fish and invertebrates with a well-rounded diet by incorporating our Nori seaweed for optimal well-being and vitality. Feeding instructions: Cut a strip 2 inches wide. If feeding with a veggie clip, fold one sheet of seaweed into a small square and attach.