The V20 Foods Frozen Fish & Reef #1 combines a special seafood mix that carnivores and omnivores may enjoy. This formula will enhance the colors for marine and freshwater fish. A unique mixture of ingredients provide optimal nutrients from added krill oil, green seaweed, garlic, stabilized Vitamin C as well as all manner of supplemented vitamins, minerals and amino acids. The major ingredients that Fish & Reef #1 include are cyclops, rotifers, krill, mysis shrimp, brine shrimp, clams and mussels. Smaller fish may nip away at the cubes held together with delicate alginate gel binder, derived directly from brown seaweed.