Can Hermit Crabs Eat Peanut Butter

Can Hermit Crabs Eat Peanut Butter?

In the world of demanding pets, owners of hermit crabs are the luckiest as they know these crabs are quite easy pets. These tiny adventurers have food-loving taste buds. They love to eat new foods and flavors. So, in the search for flavorful food for your pet, you must be wondering: Can hermit crabs eat peanut butter?

Yes, Among many foods that hermit crabs eat, peanut butter is their favorite one. It is a treat for them to devour. It is important to be careful about the ingredients, as some of them can be unsafe for crabs. Peanut butter should be given as a treat because the daily intake is harmful. 

Hermit crabs appeal to people who love keeping unusual wild animals as pets. This comes with the task of feeding them with appropriate food. But it is not a problem anymore, as in this article; we will explore different peanut butter and other food options for your hermit crabs. 

Can Hermit Crabs Eat Peanut Butter?

Can Hermit Crabs Eat Peanut Butter

Hermit crabs are omnivorous in their natural habitat. It means that they can consume vegetarian food as well as meaty food. When kept as pets, hermit crabs eat peanut butter very fondly. It is their favorite snack. The strong aroma of peanut butter stimulates their sensory organs and allures them to devour it eagerly. 

Hermit crabs should be given peanut butter in small amounts only as a treat. It is because the contents of processed peanut butter are unhealthy for them if given excessively. Their digestive system is sensitive to excessive salts, sugar, and insoluble fats. However, you can also prepare healthy peanut butter for your little pet at home.

Related article: Can Hermit Crabs Eat Cheese? Unraveling Their Dairy Dilemma

What Kind of Peanut Butter Can Hermit Crabs Eat?

Owners of hermit crabs want the best for their tiny beloved pets. Hermit crabs cherish eating peanut butter. Choosing the best kind of peanut butter out there is essential so your crab always gets the best. Processed peanut butter can be harmful, but it is not a problem anymore. We have jotted down different kinds of peanut butter that hermit crabs can eat. 

1.Homemade Peanut Butter

Peanut butter prepared at home with no additional additives, salts, and sugars are great for satisfying the sweet tooth of your hermit crabs. As the homemade peanut butter will have no unsaturated fats, the crab will easily digest it.

2.Organic Peanut Butter

The organic variants of processed peanut butter can be nutritious and healthy. Avoid the standard and famous brands. Tread cautiously and carefully examine all the ingredients. Only pick up the options with no salt, sugar, and preservatives.

Our Recommendations:

  • 365 Whole Food Market’s Organic Creamy Peanut Butter

This peanut butter has no added salt and sugar in it. This brand uses organic and unsalted peanuts to make nutritious peanut butter. 

  • Spread The Love’s Organic Peanut Butter

Although it is a bit expensive, this peanut butter is made with all-natural ingredients. It is gluten-free organic butter with a creamy texture. There are no added salt, sugar, and palm oil.

3. Peanut Butter Powder:

Peanut butter powder is another safe option for your hermit crabs. You can either easily make it at home or get it from the supermarket. The condition is still the same; it should be salt- and sugar-free. We also have some recommendations for you so you can read the ingredients without trying to read the ingredients.

Our Recommendations:

  • Powbab Peanut Butter Powder:

This peanut butter powder is gluten-free. It is made with unsalted organic peanuts and contains low fats. This peanut butter powder is salt-free and sugar-free.

Is Peanut Butter Good For Hermit Crabs?

Peanut butter does not have any prominent benefits for hermit crabs. Still, hermit crabs deserve to eat peanut butter once in a while because they have a sweet tooth. 

A small amount of treats can never harm anybody. But it should never be made a permanent component of their diet. 

Following are some advantages and disadvantages of feeding peanut butter to hermit crabs.


  • Peanut butter treats can help you in training your crabs. You can offer them peanut butter as a reward while training. This trick also comes in handy when crabs are supposed to be moved out of the tank for cleaning purposes.
  • Peanut butter is a source of some minerals, vitamin B3, and substances that have antioxidant properties. 
  • Feeding peanut butter to your crabby pets with your hands can be a great way of bonding with them. Hand feeding will make them used to handling and touching.
  • When molting, crabs require a lot of proteins to rebuild their exoskeleton. Peanut butter can serve as another source of dietary proteins. 


  • Most peanut butter contain high amounts of salt and sugar to make them flavorful for the human palate. But these contents are harmful to the digestive system of hermit crabs. 
  • Large amounts of peanut butter can also be hazardous to hermit crabs as they can smear it all over themselves. If their gills get clogged with peanut butter, they can die. 

Alternatives to Peanut Butter

Out of peanut butter? Do not worry about it as there are a few other similar alternatives that your snail would love. In this section, we will be enlisting substitutes that you can give to your tiny pet if peanut butter is not available.

  1. Almond Butter: it is similar to peanut butter. The organic almond butter with no added sugar and salt can be used as a delicious treat for hermit crabs.
  2. Oatmeal: Introduce this food to your crabs and they will be thrilled. The best thing about oatmeal is that it has no harmful effects on hermit crabs. They can eat as much as they want. 
  3. Granola Mixes: Prepare nutritious granola mixes for your crabby pet. 

Powdered Nuts: Get your hand on powdered nuts and serve them to hermit crabs. The nut powder is a healthy food option as well as it will satisfy the sweet tooth of these tiny adventurers.

Foods do hermit crabs eat: Video

The diet of hermit crabs should not only consist of peanut butter. It should be equally balanced between fruits, vegetables, meat, and grains. It is also important to note that high-protein and high-sugar foods should be avoided to keep them healthy. 

Special Tips: Hermit crabs are low-maintenance pets as they are not picky eaters. Thus, you can offer them various healthy foods to find out which ones they like the most.

Related article: Can Hermit Crabs Eat Celery? A Crunchy Delight or No-Go?

Tips for Feeding Hermit Crabs During Molting

Hermit Crabs During Molting

Molting is a delicate process in which a hermit crab sheds its old exoskeleton and acquires a new exoskeleton. Hermit crabs become extremely sensitive and defensive throughout the molting process since they have become vulnerable. 

It is the best practice to leave your crabby companion alone during this time because they can easily stress out. 

Before molting, hermit crabs eat and drink excessively to have a reservoir of energy for the molting process. 

They stay buried until the molting is completed and depend only on the stored nutrients. 

Therefore, you do not have to worry about feeding them. They will emerge looking for food once the molting is finished, so be patient. 

The only thing that you should do is regularly replace the food and water near the place where they are molting. 


Can Hermit Crabs Survive Solely on Peanut Butter?

No, peanut butter cannot be given as a staple food to hermit crabs. It has side effects if given in excessive quantities. The diet of hermit crabs should be properly balanced.

What Are the Harms of Feeding Peanut Butter to Hermit Crabs?

Hermit crabs love peanut butter. But there are other healthy food options. Processed peanut butter is rich in salts and sugars that can disturb the digestion of hermit crabs.

How Can Peanut Butter be Prepared At Home?

To prepare peanut butter at home, bake unsalted peanuts. Then, blend these peanuts until a buttery texture is obtained. Add peanut oil and blend again to get a creamy mixture. 

How Often Should Hermit Crabs Be Treated With Peanut Butter?

You can serve your hermit crabs with the treat of peanut butter every once in a while. You can treat them with peanut butter on alternative days. 

How Much Amount of Peanut Butter Should be Given to Hermit Crabs?

Peanut butter should be given to hermit crabs as a treat, not to fill their stomachs. Only take a small spoonful and place the peanut butter in their tank. You can also feed them by putting peanut butter on your fingers.


Hermit crabs are crustaceans living in water as well as on land. They are the favorite pets of people who like to keep unique pets. These tiny creatures can be called food lovers because they love to eat all kinds of food. Among all the foods, peanut butter is their favorite one. 

However, it does not mean they should be spoiled with peanut butter. Peanut butter can pose threats to their health. But you can definitely opt for the safe options that we have provided in our article.