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Hermit Crabs are omnivorous. They enjoy variety in their diet and take small bites, consuming their food very slowly and usually at night. You can feed a combination of pelleted Hermit Crab food, as well as fruits, such as chopped apples, grapes and bananas, and vegetables, including dark green leafy ones like kale and broccoli. Pellet-type food can be crushed into powder to feed small Hermit Crabs. Feed one teaspoon for small crabs.
You can provide calcium supplements in the form of calci-sand substrate, crushed oyster shell, and cuttlebones.
Water is used for drinking, filling the shell with water to carry with them, and bathing or playing. Hermit Crabs enjoy climbing in their bowls so make sure to provide a natural sea sponge that's large enough to make it easy for them to get in and out of their bowl. With Ecuadorian Hermit Crabs, you'll need to provide both a bowl of fresh water and one of salt water.
Because they are social animals, your Hermit Crabs will enjoy living with other Hermit Crabs. They will need to change shells as they grow and can be very picky about the shells they choose. Provide at least two empty shell options per Hermit Crab and make sure they are 10 to 15 percent larger than their current shell.
If your Hermit Crab ever pinches you, place your hand on a table where the shell is on the surface and the crab will release his grip to walk away.
Things to Watch For: