Can Hermit Crabs Eat Tomatoes

Can Hermit Crabs Eat Tomatoes?

Hermit crabs are omnivores who have the privilege of enjoying a versatile diet. They are always  eager to explore new flavors and foods. Hermit crab owners love to spoil their crabby pets with different treats. The owners often wonder: Can hermit crabs eat tomatoes?

Yes, hermit crabs can eat tomatoes. Tomatoes can be given to them as treats. However, tomatoes do not offer extended nutritional value to hermit crabs. Due to this, tomatoes should be given to them only as an add on to their actual diet. 

Hermit crabs are low-budget pets as they do not have specific dietary needs. Being scavengers, hermit crabs can enjoy any flavorful food offered to them. In this article, we will explore the different benefits and risks that tomatoes can offer hermit crabs. 

Hermit Crabs: A Brief Overview

Hermit crabs are crustaceans, with over 800 different species classified under the family Paguroidea. Hermit crabs are not considered true crabs because of their anatomy. They are known for using the shells of molluscs as their home. Hermit crabs are the favorite pets of crab enthusiasts.

It is because they are not picky eaters. Hermit crabs have exploratory taste buds because they are omnivores. They will almost eat anything offered to them. 

However, it falls upon the owner to determine which food is healthy for their crabs and which food items can pose a risk to their well-being. 

In captivity, it is essential to provide the optimal nutrients that hermit crabs need for their well-being. They should be offered a wide array of flavors and foods on a rotating basis. 

Can Hermit Crabs Eat Tomatoes?

Hermit crabs are fond of indulging in diverse food ranges. Hermit crabs can eat tomatoes as a component of their fresh fruit intake. However, tomatoes cannot be given to hermit crabs as a food staple. It is because the composition of tomatoes is not ideal for hermit crabs.

Tomatoes are acidic by nature because of their low pH. The food’s acidic nature has the potential to disturb the digestion of hermit crabs. 

Moreover, the nutritional content of tomatoes is not good enough to fulfill the requirements of hermit crabs. Therefore, it is advised to offer tomatoes to hermit crabs only as a treat.

Hermit crabs require a balanced diet to thrive in captivity. Their meal should have equal portions of all the important nutrients and minerals. Being scavengers, hermit crabs can eat most vegetables and fruits, but not all of them will suit them perfectly.

Hermit Crab eats tomato: 

Related article: Can Hermit Crabs Eat Strawberries?

Potential Benefits and Risks of Tomatoes

Owners of hermit crabs often experiment with the diet of their tiny pets by offering them different foods. It is essential that they know all the potential benefits and risks of a food before offering it to their crabs. Therefore, in this section, we will carefully evaluate the benefits and risks of feeding tomatoes to hermit crabs.


  • Tomatoes are a source of vitamins A and C. These vitamins have a role in boosting vision and immunity of hermit crabs.
  • Tomatoes also provide a pigment, beta-carotene. The activity of beta-carotenoids and vitamin A can help maintain the vibrant colors of hermit crabs.
  • Lycopene is another pigment found in tomatoes. This pigment has antioxidant properties. It can also aid in improving the immunity of hermit crabs. 


  • Hermit crabs can come into contact with harmful chemicals and pesticides while eating tomatoes. These chemicals can upset the normal functioning of crabs. 
  • Tomatoes have a very low pH because they are acidic in nature. Foods with acidic  nature have the potential to unsettle the digestion of hermit crabs and cause discomfort. 
  • Tomatoes provide no calcium and proteins, which are essential for the proper development of the exoskeleton. Tomatoes that are overfed may experience serious health problems. 

Preparing Tomatoes for Hermit Crabs

It is important to make food palatable and appetizing to get your hermit crabs to eat it. In this section, we will explain how to prepare and serve tomatoes to hermit crabs.

  1. Pick organic and fresh tomatoes to minimize the risk of pesticides. Tomatoes should fully ripen and be free of chemicals. 
  2. Thoroughly wash the tomatoes to eliminate impurities and microorganisms from the surface. 
  3. Slice the tomatoes into small pieces to make them more palatable for hermit crabs. 
  4. Remove the seeds from tomato pieces, as the seeds do not have any nutritional value for hermit crabs. 
  5. Only offer a limited amount of tomatoes at a time. 
  6. Remove the uneaten tomatoes, as there can be rapid growth of microorganisms on tomatoes. 

Can Hermit Crabs Eat Tomato Leaves?

No, hermit crabs cannot eat the leaves of tomatoes. The leaves of tomatoes belong to the Solanum Lycopersicum. The leaves of this plant contain small amounts of a glycoalkaloid poison called solanine. This substance is harmful and can cause severe toxicity in hermit crabs. 

Eating tomato leaves can cause serious digestive issues. The digestive system of hermit crabs cannot digest toxins. These leaves also have a distinct aroma that can deter hermit crabs. 

Therefore, for the safety of hermit crabs, it is suggested to avoid feeding them tomato leaves. It is also important to remove the leaves from tomatoes before offering them to your crabs.

Alternatives to Tomatoes for Hermit Crabs:

There are various alternatives to tomatoes for hermit crabs. Tomatoes do not offer high quality nutrients or dietary value to hermit crabs. There are various other fruits and vegetables that can offer more nutritional value than tomatoes. 

Following are the food alternatives that you can consider giving to your hermit crab;

  • Spinach: It is a rich source of calcium. Spinach is easily palatable and can be made a permanent part of the hermit crab’s diet. The calcium provided by spinach helps build the exoskeleton of crabs. 
  • Grapes: Hermit crabs love to eat grapes. It is their favorite treat because of its flavor and aroma. Moreover, grapes can be easily digested by hermit crabs. 
  • Strawberries: These berries are also a great treat for hermit crabs. Strawberries provide essential nutrients. However, strawberries should only be offered as treats because of their high sugar content. 
  • Carrots: Another beneficial alternative to tomatoes is carrots. Carrots are rich in vitamin A, beta carotenoids, antioxidants, calcium, and fiber. These substances can promote healthy functioning in hermit crabs. 


Can Hermit Crabs Eat Tomato Seeds?

No, hermit crabs should not be given tomato seeds. They do not provide any health benefits to the hermit crabs. You should even offer the tomatoes only after removing the seeds from them.

How Much Tomatoes Should Be Given To Hermit Crabs?

Hermit crabs should be offered small servings of tomatoes. The excess of tomatoes is harmful because of their low pH. Slice the tomatoes into small cubes and only serve a few slices. 

Can Hermit Crabs Eat Cooked Tomatoes?

Hermit crabs can eat cooked tomatoes, but it is best to offer them in raw form. It is because cooking can cause the loss of vitamins and minerals from the tomatoes. 

Should I Sprinkle Salt on Tomatoes for Hermit Crabs?

No, hermit crabs should never be offered food with any additional seasoning. The added salts and sugars can disturb the digestion of hermit crabs. Therefore, they should never be offered tomatoes sprinkled with salt. 

How Often Should Hermit Crabs Eat Tomatoes?

Hermit crabs should be offered tomatoes as occasional treats. You can offer tomatoes to your hermit crabs only once a week. 


Hermit crabs are known for eating anything that appeals to their palate. They are always in search of food that tastes beyond the ordinary. However, not every food they like is beneficial for them. The same is true for tomatoes. 

Hermit crabs do find delight in eating tomatoes, but tomatoes are not beneficial for them. In fact, excess tomatoes can cause harm to  hermit crabs. Therefore, tomatoes should be served to hermit crabs in moderation to ensure their well-being.