Wild fish consume 100% live foods (natural food) . Professional fish breeders and advanced hobbyists know the value of feeding live foods to promote natural color, breeding, long life, and robust health in their fish. Live foods are often the key to bringing fish into breeding condition. Live foods will save you money by reducing fish loss and make your hobby more exiting. Most Commercial dry or frozen live foods disintegrate in aquarium water and may contaminate the water, increase the level of ammonia, and promote suitable environment for dangerous organisms. Also, many species of fish refuse to eat artificial food unless they are starving. We guarantee that anything we sell which is supposed to be alive will be alive when you receive it, or we replace it at no charge (covers the U.S. and Hawaii), It's that simple. Question and suggestions are welcome. All cultures are sent with full and practical instructions.