Welcome to the third and final post of a 3 part series on the wonderful pet, the Hermit Crab. In this series we will cover all you need to about keeping Hermit Crabs as pets including:
In this final post we will discuss the correct diet for Hermit Crabs, shells and moulting, and some useful tips on what to look out for (including potential dangers) when keeping Hermit Crabs as pets.
Diet
Hermit Crabs have specific dietary needs like all animals. Suitable food can include specially formulated Hermit Crab pellets (available from your pet store) which will effectively ensure your crabs are provided with all the necessary minerals and vitamins for healthy living. In addition to specific crab food, Hermit Crabs can also be fed regular “human-food”; being omnivorous means they will eat practically anything (meat, fish, vegetables etc.) so shopping at your local supermarket should allow you to buy suitable food for your crab (remember to stay away of course from high-fat / sugar junk food; this is not good for you or your crab!).
Shells
Other than having a warm humid (and hence moist) habitat to live in, your Hermit Crab’s shell is his/her worldly possession. This being the case, it is critical that you provide spare shells for your crabs to use when they leave their old shells (E.g. to find a larger one). As for what type of shell is suitable, a sea shell that is slightly larger that his/her current shell is your best bet. Provide a few shells for your crabs to use and let them decide which the best fit is.
Moulting
Moulting is the process of when a crab sheds his skin; this is perfectly normal for your Hermit Crab but there are a few basic rules to adhere to during this process.
Moulting will typically occur twice a year for your Hermit Crab and it is important to remember that the process is very stressful for your crab. The basic approach is to essentially create an environment that will assist with the moulting process; this will include:
- Providing a safe and isolated environment (such as another tank) for your crab
- Providing additional water for your crab to drink during moulting (this allows your crab to drink more water and effectively make their body swell to facilitate the cracking of their outer shell)
- Provide suitable sand in their isolated tank that will allow them to penetrate the sand easily and bury themselves (allowing time for their new skin to harden)
- Do not touch your crab at all during this time.
Things to watch out for
At the risk of sounding a little alarmist, there are a few things to watch out when keeping Hermit Crabs as pets to ensure that your crabs are healthy and happy.
Fighting
Fighting is often caused by an overcrowded tank. So if you observe your Hermit Crabs fighting then provide additional trees etc. so that your crabs can spread out a little more or simply replace your tank with a larger tank. Fighting for shells is also common, so make sure your tank has plenty of spare shells for all of your crabs.
Poisoning
Hermit Crabs are of course very small creatures and as such even the smallest of amounts of poison can be fatal for your crab. This being the case it is extremely important that you keep all potential poisons away from your crab; this will include:
- Ensuring that anything put into your crab’s tank is not cleaned by any house-hold cleaners, sprays or been in contact with deodorants
- Making sure that your crab does not come into contact with poisons when taken out of his/her tank (E.g. if you have carpet in your house then typically carpet fibres will contain residues of cleaning fluids that are harmful to your crab - so no play time for your crab on the carpet!).
Wrapping up…
That brings us to the end of our three part series on keeping Hermit Crabs as pets. I hope you have enjoyed the series and as always I encourage reader feedback and comments - just leave a reply using the text box below.
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