Do hermit crabs have to eat there sheaded skin?

Hermit crabs do not have to eat their shedded skin. In fact, it is not recommended that they do so, as it can contain harmful bacteria. However, some hermit crabs may choose to eat their shedded skin as a source of calcium, which is essential for their growth and development. If a hermit crab does choose to eat its shedded skin, it is important to make sure that the skin is clean and free of any harmful substances.