All You Need To Know About Blueberry Hermit Crab (Coenobita Purpureus)

Blueberry Hermit Crab
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The name Purpureus is also used for the Blueberry hermit crabs. Their color can be either light blue or dark purple. However, most of them are purple, blue, and red. Light-colored juveniles are pale in color and develop the characteristics of blueberry later on in life. They should use coconut fiber and sand to dig. Extra shells should always be available for your crabs to switch into. 

Some Basic Information About Blueberry Hermit Crabs

Blueberry Hermit crabs have another name as blue or plural blues. Many stores have been selling violas that are labeled as Blueberries or Indos. Most of these are sold with coconut fiber and sand. Some people prefer buying them without sand and coconut fiber. However, if you want to give them a better environment, then you should add some. They are usually sold in pairs. 

Blueberry Hermit Crabs are very easy to care for and do not require a lot of attention. The only thing you need to watch out for is that they eat too many algae. If this happens, it will make their shells turn greenish-yellow. This is harmless, but if it continues, you may have to replace the shell. It is important to keep an eye on your crabs because they can get sick from eating too many algae.  

They are amiable animals. They like to play around with each other and sometimes even fight. They are very social creatures and love to spend time together. They are very active during the day and sleep at night. They are good pets for children who enjoy playing with them. They are charming and colorful.

The activity level is medium. When they want something, they are food aggressive and very aggressive towards other crabs. Oval openings seem to be preferred, but they will happily wear the turbos. The cantharus species is from the Babylonia species. Blueberry’s legs tend to be bigger and hairier compared to Ruggie’s. 

The chubby crab that looks like it’s been cobbled together from different parts of other crabs. White and cream-colored when they are young develop into solid blue and purple colors as they get older. Black eyes with wide, bright, shiny ones. It has a long, slender body with tiny legs. Its carapace is white and covered by a thick layer of brown or black mottled skin. It has three claws on its front end and is flat at the back end. It has a large mouth and short antennae. This species lives in shallow water and feeds on plankton. It digs burrows in which it spends most of its time. It likes to hide under rocks and logs. It is often found near mangrove swamps. 

This species is native to tropical regions of Asia, Australia, and Africa. It was introduced into Florida in the 1960s. Now, it is expected along the Atlantic coast of North America. It is considered invasive in Hawaii and California. It is also known as the Chubby Hermit Crab. 

There Are Several Types Of Chubby Hermits: 

1) The African Chubby Hermit Crab (Coenobita clypeatus). This type of chubby hermit crab has a pale yellow color and a thin, elongated carapace. It is smaller than the other types of chubby hermit crabs. It has a relatively longer abdomen. It has a round head and a pair of short antennae. 

2) The Australian Chubby Hermit Crab. This chubby hermit crab has a grayish-white color and a slightly shorter carapace than the African type. It has a rounded head and a pair of long antennae. 

3) The Hawaiian Chubby Hermit Crab. This chubby hermit crab has a reddish-brown color and a thicker carapace than the African and Australian types. It has a rounded head and a pair of shorter antennae. 

4) The Indo-Pacific Chubby Hermit Crab. This chubby hermit crab has a dark green color and a thicker carapace than the other types. It has a rounded head and a pair of long antennae. 

Specific Care For A Blueberry Hermit Crabs

The Temperature And Humidity Are Related To The Temperature.

The Blueberry hermit crab is like to be in an environment with 85 degrees Fahrenheit and a humidity of 85%.


Blueberry hermit crab enjoys a mixture of clean play sand and Eco Earth. To get consistency in your sandcastle, be sure to moisten your Substrate. Once you remove your finger, the hole you made with it should stay intact.

Shells Are Used In The Oil Industry

Blueberry hermit crab prefers shells with a D-shaped opening, as they get bigger, and they have been known to take turbochargers if they get bigger.

It’s Food

It’s important to give your land hermit crab a variety of fresh and organic food. The lovely colors can be brought out with the help of foods such as blueberries, worm castings, and coconut.


Blueberries hermit crabs should be able to dip their shell into a pool of water dechlorinated from fresh and saltwater.

Some Other Favorites

Blueberry hermit crabs are reported to be very calm & docile. They say that crabbers are either shy or friendly. Give them many ways to exercise, but don’t be surprised if they don’t get much exercise.


How do I know what size my Blueberry Hermit Crabs needs?

You need to measure the length of your hand and multiply by 2.5 inches. This gives you how big your new pet should be. If you’re unsure, ask someone who has one before buying.

What Kind Of Substrate Do They Prefer?

A mix of Eco-Earth and Play Sand. It helps keep them active and healthy.


If you want to buy a hermit crab, make sure you choose one that will live happily with you. You may not be able to tell which species of hermit crab you are getting until after you’ve bought it. Don’t worry about this, though, because once you have your hermit crab, you’ll be able to tell which species it is just by looking at its shell.

I hope this helped! Please comment below if you have any questions. ^_^

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