How often does a pet crab molt its shell?
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A pet crab’s shell molting time is not fixed; some molt every two weeks, some every two months, with the interval depending on development and environment. A pet crab molts about 18 times in its life. During molting, the keeper can feed more protein-rich food, improve its living environment, appropriately raise water nutrition, and control pests and disease to help it molt smoothly.