Can Hermit Crabs Eat Cucumber? 9 Benefits You Must Know!

Cucumbers can be a great food source for hermit crabs. They are an excellent source of water, can provide them with needed vitamins, and can help keep their gills healthy. 

Cucumbers can also be used to feed other pets in the tank or given to animals outside of the terrarium if desired.

There are many benefits that come from feeding your hermit crabs cucumber but there are also some dangers that come along with it too! 

This article will cover can hermit crabs eat cucumber, how often they should eat cucumber, what vegetables they can eat, and more!

In case you are in hurry and looking for an on-point answer. We got it covered for you.

Can hermit crabs eat cucumber? Yes, hermit crabs can eat cucumbers. Cucumbers are good for them because they create a fresh water environment and help the crab stay hydrated. It is important to cut the cucumber into smaller pieces though or they will be too big for the crab or their claws to handle. One of their favorite foods is raw carrots which they also find delicious because it is very moist with lots of sugar in it.

Can Hermit Crabs Eat Cucumber? 

Yes, hermit crabs can eat cucumber, but only in small amounts. Cucumber can provide a trace of calcium and can help to relieve stress when eaten plain.

Hermit crabs can eat cucumber leaves and stems, but not the skin or seeds. A whole cucumber can be chopped up into smaller pieces so hermit crabs can grab hold of it easier. It can also be pushed onto the side of their substrate so they can find it.

Cucumber can help to relieve stress in hermit crabs but can cause problems if eaten excessively for too long.

Can Baby Hermit Crabs Eat Cucumber?

Hermit crabs can eat cucumber when they are babies, but it can depend on their size. Some can have a difficult time digesting the food item and may not be able to process it well in their stomachs. Others can adapt just fine and can enjoy the cucumber.

Just be sure that the cucumber has been peeled, deseeded, and cut into slices, before offering it to baby hermit crabs.

As long as the seeds are removed, they can be fed to babies safely. Seeds can cause internal damage if ingested by hermit crabs.

Baby crabs can also benefit from cucumber leaves.

However, do take note that there are some specific items to avoid offering to baby hermit crabs. 

This can include mushrooms, any fruit pits, including peach, cherry, or apricot and, any fruit skin or rinds. 

Whole nuts or seeds can be dangerous for baby crabs to ingest. Peanuts can cause choking if they are larger than the throat opening of a hermit crab. 

Seeds can also cause internal damage and can even kill your little pet if swallowed.

Benefits Of Eating Cucumber For Hermit Crabs

Hermit crabs can eat cucumber as part of their diet. Eating can affect the health and behavior of hermit crabs in a positive way.

There are many benefits or reasons why can hermit crabs eat cucumbers:

They can improve the absorption of calcium and magnesium

Can prevent anemia and bleeding gums by making red blood cells.

Can increase hemoglobin production, can prevent blood clots, and can break down fibrin.

Can help lower body temperature. It also improves the function of the intestines, can promote healthy skin and can keep skin moist, can balance the amount of water in the body. 

They are good for weight gain and can help maintain a healthy weight.

Can control blood pressure and can prevent stroke, they can also decrease the risk of heart attack and can slow down certain types of cancer growth rates.

Can promote eye health and can reduce the chances of developing cataracts.

Can strengthen bones and teeth by preventing bone loss, they can also increase bone volume and can improve bone density.

Can enhance the absorption of nutrients such as vitamin C, can help prevent scurvy.

These were the benefits of can hermit crabs eating cucumbers.

Hermit crabs can also get sick if they eat too much cucumber. In the next section, we will talk about the harmful effects of eating cucumber for hermit crabs. 

Harmful Effects Of Eating Cucumber For Hermit Crabs

Well, there are many benefits we have discussed above, but can hermit crabs eat cucumber can be harmful too.

The harmful effects of cucumbers for hermit crabs are:      

Can cause intestinal obstruction and can lead to an intestine rupture and can result in death and can cause a can ruptured gut.

Can cause a fracture if the hermit crab is big in size and can have a low calcium content which can be harmful to their shells.

Can cause flatulence and can irritate the digestive tract because it contains a large amount of fiber. 

The cucumber can also get stuck in the spiracle of the hermit crabs.

Can cause can blockage in the bowel if their digestive enzymes cannot break it down. 

Can be difficult for them to digest and can result in can microbial can infection when stored too long.

Can Hermit Crabs Eat Cucumber Leaves?

Hermit crabs can eat the leaves from cucumbers, both raw and cooked. The cucumber can be in solid form or can be made into a drink. 

Just be sure that all the seeds are removed, as these can cause harm to hermit crabs.

Cucumber leaves provide hermit crabs with water, protein, and carbohydrates.

Leaves can benefits can include:

Can boost the immune system of hermit crabs.

Can provide hermit crabs with beneficial minerals, vitamins, and antioxidants.

Can help promote healthy skin. Also can help improve digestion.

Can Hermit Crabs Eat Cucumber Stems?

Yes, they can. As the name suggests, the cucumber is a fruit, and the stem of this plant can be eaten by hermit crabs.  It can also eat cucumber leaves but not its skin.

Cucumbers stem provides hermit crabs with vitamins, minerals, dietary fiber and can be an excellent source of hydration.

This can also serve as a good treat for your pet hermit crabs.

How To Feed Cucumber To Hermit Crabs?

Hermit crabs can eat cucumbers because they are 90% water. One can use fresh cucumber or can feed them the ones that are in their natural form which is in the can.

Cucumbers can be used as a supplement to their diet.

Most importantly, keep monitoring your hermit crabs after feeding them cucumber.

If they pass the cucumber, you can feed them cucumbers as a regular meal.

However, if your hermit crabs are not fond of cucumbers, you can try other vegetables that can supplement their diet.

For example, carrots can also be offered instead of or along with the cucumbers.

How Often To Feed Cucumbers To Hermit Crabs?

Hermit crabs can eat cucumbers daily if desired. There is no need for hermit crabs to be eating something different every day unless that is enjoyment. 

If so, then the cucumber can be rotated with other food items.

It can be challenging to get hermit crabs to eat cucumbers at first. Just be patient and provide the opportunity for them to try it out.

Hermit crabs can eat more of the cucumber if they need more calories or carbohydrates in their diet. 

When feeding hermit crabs with vegetables, it can depend on the size of the crab as well as their metabolism.

Other Vegetables Hermit Crabs Can Eat

Hermit crabs can eat a variety of other vegetables that can vary from day today. There are several beneficial reasons why hermit crabs can enjoy a meal of cucumbers, but temperature can be a factor in if they can eat it or not. 

Vegetables you can feed hermits are:

  • Carrots
  • Broccoli
  • Squash
  • Kale
  • Romaine Lettuce etc.

Vegetables can be a beneficial diet for all types of land hermit crabs, marine, and fiddler crabs. 

A great idea can be to give them a pair of kitchen scissors and let them cut up their food themselves as they can eat it more easily than you can, but make sure no matter what they can’t access the blades.

Fruits To Feed Hermit Crabs

Hermit crabs can eat any fruit that is healthy for humans. Most fruits can be served raw, but some can also be served cooked.

Fruits that are good for hermit crabs are:

  • Apple Slices
  • Banana
  • Berries (e.g. strawberries, blueberries, raspberries)
  • Grapes 
  • Mangoes
  • Melons (e.g., watermelon, honeydew), etc.

Hermit crabs can eat almost any fruit, but it is advisable to avoid fruits that can ferment. Also, do not feed hermit crabs with very sweet fruits such as bananas and melons.

Foods That Are Not Good For Hermit Crabs

There are also foods that can harm your hermit crabs. It is advisable to research what can and can’t do before feeding them to your pet.

Some of the foods to avoid are avocado, chocolate, caffeine, alcohol, grapes/raisins, or other dried fruit with harmful chemicals in it can be dangerous.

Hermit Crabs will also eat non-food items. Don’t be alarmed, but can be harmful to them if they eat too much of it.

Hermit crabs can also eat bread or cereal, but these can elevate the chance of bacterial growth so you need to make sure that you are monitoring the amount and how often they are eating both can harm your hermit crabs.


Hermit Crabs can safely enjoy eating a cucumber. They can consume the fleshy parts of fruits or vegetables that are not high in oxalates, in moderation. 

If there are any seeds in cucumbers or other fruits or vegetables that can be eaten by hermit crabs, make sure to remove all the seeds prior to putting them into your crab’s enclosure.

If you can’t find any, another safe food for hermit crabs is carrots cut into coins because they can help to clean the hermit crabs’ teeth and can remove any other things that can bother hermit crabs.

Do you feed cucumber to your hermit crabs? Let us know do they love it? Comment your thought below!

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