Hermit Crab Without Shell In Details

hermit crab without shell

The Hermit Crab is an animal with ten pairs of limbs and a shell-covered body. Hermit Crab can change their shell anytime. It is reusable. They can borrow their shell from other animals as needed. They use covers to protect themselves. Although they are crabs, their characteristic is like shrimp.
Most Hermit crab species possess soft skin. They use the shells of dead snails in times of danger. The surface of that snail they carry for life to protect themselves.
As they grow older, they leave this shell and enter another large surface to protect themselves. In this way, they leave their old home and become accustomed to living in a new place. Thus, they have been named Hermit Crab for their nomadic survival. The rest of the time, they can stay without shells.

In the whole article, we will know about Hermit Crab Without Shell and how they survive without shells. Please scroll down.

What is a hermit crab?

Hermit crab is an animal whose body is covered by shells. They have ten pairs of appendages. In their Kingdom of Animalia. Their species of Arthropoda and the class of Malacostraca. They belong to Superfamily: Paguridae.
So far, Identify the 500 species of Hermit crab in this world. They mostly live from the top of the sea to the bottom. They also live in all places of this depth.
Some of them may even live-in dry places. Some of them are very large. They can tolerate 65-75-degree Fahrenheit (23-29 degrees Celsius) during the day and 65-75-degree F (18-24 degrees C) at night.

Hermit life cycle

  • Can grow up to 6 inches long
  • Can live up to 10 years
  • Hermit Crab does not live-in water; they live on land.
  • Water and moisture are needed to replenish the water in the shell
  • Handle Hermit crab can quickly, but with a pinch if intimidated or frightened.
  • They moult and change shells as they grow day by day.
  • Hermit crabs need shells because they have to protect themselves.

What hermit crab eat

Hermit Crabs usually eat supplemented with vegetables, Pellet food, and fruits. Most of the time, they eat at night. Hermit crab eat slowly and take a small bite. The claws of little hermit crabs are so tiny that they cannot be fed pellet food in big size. So, they are suitable for eating powdered pellet food.

They eat chopped vegetables such as broccoli or kale. Moreover, eat fruit, e.g., Bananas, apples. In the evening they eat any vegetable or fruit. In the morning they also eat some same. Because they live in the sea area, they drink pristine water. Otherwise, their life is full of risk.

How to H C Stays Healthy

They do not go to any hard surface to defend themselves because if they accidentally fall while jumping, they may be injured or die. Hermit crabs body is so soft that’s why they can be vulnerable while moulting.

They cannot live in the local ecosystem. So, Hermit crab can’t live in the wild. Those crabs don’t go to these places to protect themselves. They cannot adapt to the local ecosystem.

The shell of a hermit crab

The shell of the Hermit crab is different from other shellfish because they borrow bodies from snails or other animals. The covers protect their soft abdomen and retain their moisture.

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Details of the shell

One test after another tested the shell detection ability of the Hermit Crab Pagurus Samiulis.
Their clause should be more in measurement length but not in width. Hermit crabs use their most enormous claw as a trap door. The size of the shell of the Hermit Crab is 1/8” more extensive than theirs. They can easily open it or take it immediately after to protect themselves, and their clause should be more in measurement length but not in width.

Habitat of hermit crab

They live in all the oceans, freshwater, and land of the world, usually covered with a dense exoskeleton and have a single pair of pincers.
The names of many of the animals are almost the same. E.g., Hermit Crabs, King Crabs. Porcelain Crabs, Horseshoe Crabs, Crab Lice. But they are not true crabs. They al like Shrimps, as I said before.

They are also a part of nature’s clean-up and recycling services as they prey on rotten animals and dead fish. Land Hermit Crab in local Bermuda; is also found in Florida and the Caribbean. Its habitats include mangrove forests, salt marshes, and coastal forests.

Classification of Hermit crab

Many types of hermit crab are found all over the world. And can see many crabs without the shell. Details of the Hermit Crab Without Shell described bellow:


Biggest hermit crab

Coconut crab (Birgus later) is the largest land-living Arthropoda globally; that weight is 4.1 kg or 9.0 lb.  It is a species of Terrestrial Hermit Crab. And, also known as Robbery Crab or Date Thief.

Baby hermit crab

Baby Hermit Crabs go through many stages after birth then they are suitable for a shell.

From birth to a month, they lie on the beach. Then look like Zoea. At this time, when they are lying on the beach, they are seen by the larvae. Sometimes they are eaten by fish. A month later, they reach another stage, and then they find the shell for themselves. They also use bodies to protect their soft abdomen for defence. Baby Hermit crab without shell looks like Zoea. Also, look like a spider.

Land hermit crab

All Hermit crabs have shells that protect them and make them look like snails. They have no covers of their own and carry the shots of other dead animals on their backs.

Land Hermit Crabs (Coenobita clippers) are the gigantic hermit crabs in Bermuda, growing up to 10 centimetres (4 inches) tall and the only peak crab found on land. Both of these factors limit the use of shells. So, like other Bermudians, land hermit crabs are in a housing crisis.

There is a time when they cannot protect themselves without shells. Because they have to go anywhere to find food or walk, they are not safe without bodies. They lie by the sea for a month. After a month, they have to go around for their food, and they need shells.


Risk of hermit crab Without cover

If the situation is not in their favour, then they are at risk without the shell. These are the reasons why their lives are risky without covers.

  • Shells are very much needed to protect them when they go out
  • When looking for food, they can be in danger, and if they do not have a shell, their soft abdomen can be injured. As a result, they may die.
  • If there are no shells, they may not be able to withstand the flow due to the impact of heavy storms and get injured or die. They also need these shells to protect them from rain.
  • If they accidentally hit a rock or something hard, their body is soft and sensitive, and they may get injured. If there is no shell, then there is a risk of loss of life.
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Hermit Crab can survive without a shell in some cases, but most of the time, they should use their surface very eagerly. So, they always have to stay with the shell.

How do these crabs change shell?

Hermit Crab was born until they went to the next stage; their bodies did not cover any shells. When a month has passed, they look for the surfaces, collect the bullets from their bodies, and place them behind them. Hermit Crab’s shell replacement system is not like other animals. They can never produce shells on their own. Always share the shots from other animals to save themselves.

They can live for more than ten years, the highest they have a record of living 65-70 years. As they get older, their body size increases and they need to change the shell. So, they leave the old surface and start looking for a new cover again. After living in one shell for many years, it becomes like their habitat.

But since they need a new shell to fit the body, they leave their old habitat and give the new shell backside.
And this new shell is also the shell left by some dead animal or dead snail, which they do to protect themselves. And in this way, they change their shells when necessary and protect themselves from all other dangers and animals.

Will A Hermit Crab can Survive without covers?

A Hermit Crab without a caver can survive.
When they do not go anywhere at risk, they are in a favourable environment, and they can live without the shell; it may not cause any harm. According to them, when their moulting goes away for two months, they do not need the shell or do not cover it. At that time, they spend time sitting on the shore of the sea, and from there, they collect food.

Will a hermit crab die Without their cover?

No, Hermit crabs can live without shell if the situation is in favour. They need a new shell when their old cover is wholly damaged or not in a condition to be carried. When they see that this old shell cannot protect them, then a good and new surface is very much needed. That is not to say that they will die without shells. Then they go out in search of the shell until they get a new shot. They make a living without the cover.

Sometimes the situation is not in their favour, and when they think the danger is coming, they find a way to save themselves with shells. Storms, rains, or any other risk can arrive at any time. So, they always wear this shelter. So, they are not harmed or killed in sudden danger.
But when they can’t find a new shell for which they have to stay without a surface, it becomes a risk for them. There is no way to protect them from danger, which in many cases can lead to death or injury.



Hermit crabs are animals that never use their shells. Because they have no surface of their own that will help protect them. They are animals that use the surface left by another dead animal to defend themselves. Hermit crab can exist without bodies. They don’t have a cover for a month or two after birth, but at some point, they need a shell when they are in danger or hit by a rigid kite. That means Hermit crab can live without a shell. Hermit Crab Without Shell, sometimes dangerous but not all time.


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