Can Hermit Crabs Eat Watermelon? 5 Things You Need To Know

Hermit crabs make for interesting pets, and many owners want to know what they can and cannot feed them.

In this article, we will explore the question of whether or not hermit crabs can eat watermelon.

We will also discuss the benefits and potential dangers of feeding watermelon to hermit crabs.

Finally, we will provide some tips for how to care for and feed watermelons to hermit crabs.

In case you are in a hurry and don’t have enough time to read this complete article. We have an on-point answer for you.

Can hermit crabs eat watermelon? Yes, hermit crabs can eat watermelon. Watermelon helps the crab get hydration and digest food. It is good for the crab because it has a fresh source of sugar to help with storing glycogen after eating a hard exoskeleton. The crab also likes the flavor and texture of watermelon which makes it good for hunting prey.

Can Hermit Crabs Eat Watermelon?

Watermelon is a refreshing summer treat.

However, it is not good for them to eat because the seeds, sugar content, and other chemicals in watermelon are not healthy for hermit crabs.

Watermelon can be the cause of potentially deadly complications such as intestinal impaction or renal failure.

So, it is important to know if hermit crabs can eat watermelon and find safe, nutritious treats for them to snack on.

There are many fruits and vegetables that hermit crabs can eat.

In this article, we will talk about watermelon and its effects on hermit crabs.

Can Baby Hermit Crabs Eat Watermelon?

Baby hermit crabs can eat watermelon, but it is essential to cut them into small pieces.

You should only feed baby hermit crabs fruits that are easily digestible and less acidic.

An example of an easy-to-digest fruit is the banana, while oranges are more acidic than other fruits.

When feeding watermelon to baby crabs, make sure to remove the seeds and rinds.

Benefits Of Eating Watermelon For Hermit Crabs

It is important to know the benefits of eating watermelon for hermit crabs, for it is one of the best things they can eat.

Watermelon contains lots of nutrients that are beneficial to hermit crabs.

It has high levels of vitamin A and C, beta-carotene, and lycopene, all of which contain antioxidants that help prevent diseases such as cataracts and cancer.

Watermelon is high in vitamin B complex and contains lots of potassium and magnesium, both key ingredients for healthy shells.

It has a high level of phosphorus which helps to strengthen their muscles as well as astaxanthin which provides them with energy through a process called photosynthesis.

The collagen from watermelon also helps hermit crabs regenerate their lost limbs.

Harmful Effects Of Eating Watermelon For Hermit Crabs

While watermelon is a great food source for hermit crabs, there are some harmful effects of eating too much watermelon.

Watermelon contains high levels of sugar and this can cause weight gain, diabetes, and other health problems in hermit crabs.

It can also cause them to get a condition called gut blockage, which is when the stomach becomes so full of food that it can’t digest any more and starts to rot.

The seeds from watermelon can also be harmful to hermit crabs as they contain a toxin that can kill them.

Can Hermit Crabs Eat Watermelon Rinds?

No, they shouldn’t eat watermelon rinds.

Because of their hard texture, they can scrape the delicate lining of your hermit crabs’ mouth.

Eating watermelon rinds can also lead to impaction problems for your hermit crabs.

Watermelon rinds also contain a high level of citric acid, which can be harmful to your hermit crabs.

Can Hermit Crabs Eat Watermelon Seeds?

Watermelon seeds are not poisonous to hermit crabs, but they can be difficult to digest and may cause blockages in the digestive system.

For this reason, it is best to remove them before feeding watermelon to hermit crabs.

Watermelon seeds can also be harmful if they are ingested in large quantities.

It is not okay to give your pet hermit crab watermelon seeds because they are high in fat.

They can also carry diseases, so it is best to keep them out of the tank.

It may be possible for pet hermit crabs to eat watermelon seeds if they are well-cooked, but you should avoid this as much as possible.

How Many Watermelons Can Hermit Crabs Eat In a Day?

Hermit crabs can eat one to two watermelons per day, but it is important to monitor their diet and make sure they are getting the right amount of nutrients.

If hermit crabs eat too much watermelon, they may become overweight and develop health problems.

On the other hand, if they do not eat enough watermelon, they may become malnourished.

It is important to feed hermit crabs a variety of fruits and vegetables to ensure that they are getting the right amount of nutrients.

How To Feed Watermelon To Hermit Crabs?

You need to cut the watermelon into small pieces so that hermit crabs can easily eat it.

You can even spray or mix water with sugar to make it more special for them.

Just like any other food, you need to know the amount of watermelon that is enough for hermit crabs.

You can feed them with small portions but not too much so they will only eat when they feel hungry.

Make sure to remove the seeds before feeding them to the hermit crabs.

You can feed them one or two watermelon pieces per day.

How Often To Feed Watermelons To Hermit Crabs?

You can feed your hermit crabs watermelons on a daily basis.

It’s not recommended to add more than 1 watermelon at a time because they might not eat it all.

Also, monitor how much watermelon hermit crabs are eating to make sure they don’t eat too much.

If they overeat, this can lead to a watermelon belly.

If they have a watermelon belly, it means they have too much fruit in their diet and need more vegetables and other fruits instead.

Once your hermit crabs pass out from having a watermelon belly, that’s when you know they ate too much of the watermelon.

What Fruits Can Hermit Crabs Eat?

While hermit crabs are not limited to eating watermelon, they can enjoy a variety of fruits.

Some other good fruit options for hermit crabs include:

All these fruits can be served fresh or frozen. They all provide good nutrition for hermit crabs.

What Vegetables Are Best For Hermit Crabs?

Just as with fruits, hermit crabs can enjoy a variety of vegetables.

Some good vegetable options to feed your hermit crabs include:

  • Zucchini
  • Spinach
  • Carrots
  • Tomatoes
  • Green beans
  • Peas
  • Celery
  • Broccoli
  • Sweet potatoes
  • Squash
  • Pumpkins
  • Corn etc.

There are many other options of veggies to feed your crabs, but they must be fresh and washed before feeding.

Many hermit crab owners say that their crabs love fruit as well as vegetables, so you can also feed them some mashed-up strawberries or raspberries, or a small piece of apple.

What Is Poisonous To Hermit Crabs?

There are some items that should never be given to hermit crabs as they can be poisonous.

Do not feed your hermit crabs the following items:

  • Chocolate
  • Coffee
  • Tea
  • Alcohol
  • Salt
  • Onions
  • Garlic
  • Tomatoes etc.

Any other item that is not listed as safe for hermit crabs.

It is always best to be safe and stick with food items that are specifically listed as being okay for hermit crabs to eat.


In conclusion, while watermelons can be a healthy snack for hermit crabs, there are some things to keep in mind.

Make sure to only give them small pieces, and avoid giving them the rind or seeds.

You should also only feed them watermelon once a day, and make sure there is always plenty of other food available.

Watermelons provide an excellent source of vitamins and nutrients, including beta-carotene, vitamin C, and lycopene.

Watermelon is a healthy snack for hermit crabs to enjoy as a change from their usual food.

However, it should not be used as the only source of food or eaten in large amounts.

If you make sure to follow these simple rules (discussed above in the article), you can give your hermit crab a tasty treat.

Let us know do you feed watermelon to your hermit crab and how they like it?

Do you have a question about watermelon and hermit crabs? Join the discussion below!

Leave a Comment