... nutrience,competitive price! best food for fish,fish love it! dried purple seaweed/Tang Fish FoodSaltwater Correct Dried Purple Seaweed Saltwater ... very nutritious purple seaweed that your fish will devour.Feed your fish a regular diet of purple seaweed ... like butterfly fish, clown fish, engineering gobies, damsels, some parrotfish, angle fish, all tangs and even freshwater fish.Saltwater Correct ...