These delicious clams promote teeth grinding and are specially packaged to avoid freezer burn and to be easily broken apart. They are ideal for marine animals, support the osmotic process, and contain added vitamins to support immune system health. In addition, Frozen Clam On A Half Shell are bio-encapsulated with multi-vitamins, providing maximum nutrition for your fish. As an added bonus, the clams are sterilized in three steps, ensuring they are free of harmful bacteria, parasites, and foul odors.