I have two hermit crabs i think one is molting how can tell she buried herself in the sand and want to disturb her if should put a iso tank?

- Lethargy: Your crab may become less active and spend more time hiding in its shell.

- Reduced appetite: Your crab may stop eating or eat less than usual.

- Changes in coloration: Your crab's shell may become duller or darker in color.

- Burrowing behavior: Your crab may burrow into the substrate and remain hidden for an extended period of time.

If you suspect that your hermit crab is molting, it is important to avoid disturbing it. Molting is a delicate process, and any interference could cause injury or death to the crab. Here are some tips for caring for a molting hermit crab:

- Provide a quiet, undisturbed environment: Place the crab's tank in a quiet area away from foot traffic and other disturbances.

- Maintain the proper temperature and humidity: Hermit crabs require a warm, humid environment to molt successfully. The ideal temperature range is 75-85 degrees Fahrenheit, and the humidity should be around 70%.

- Offer a variety of food and water: Make sure the crab has access to a variety of fresh foods, such as fruits, vegetables, and proteins. Provide a shallow dish of fresh water at all times.

- Avoid handling the crab: It is important to avoid handling the crab while it is molting. This could cause injury or stress to the crab.

If you are concerned about your hermit crab's health, it is always a good idea to consult with a veterinarian who is experienced in caring for hermit crabs.

Here are some additional tips for caring for hermit crabs:

- Provide a suitable habitat: Hermit crabs need a terrarium that is at least 10 gallons in size. The terrarium should have a secure lid, a substrate of sand or coconut fiber, and a variety of hiding places.

- Maintain the proper temperature and humidity: Hermit crabs require a warm, humid environment to thrive. The ideal temperature range is 75-85 degrees Fahrenheit, and the humidity should be around 70%.

- Offer a variety of food and water: Hermit crabs are omnivores and will eat a variety of foods, such as fruits, vegetables, proteins, and commercial hermit crab food. Provide a shallow dish of fresh water at all times.

- Handle your crab with care: Hermit crabs are delicate creatures and can be easily injured. Always handle your crab gently and avoid dropping it.

- Regularly clean the tank: It is important to regularly clean your crab's tank to remove waste and prevent the growth of bacteria. Spot clean the tank as needed, and do a deep clean every few months.

By following these tips, you can help your hermit crab live a long and healthy life.