Finatics enjoys writing around animal care and is "owned" by a guinea pig, 4 hermit crabs, three African dwarf frogs, and also a betta fish.

You are watching: How long does it take a hermit crab to molt


What must I do If mine Hermit Crab Is Molting?

What a hermit crabs demands while it's molting is isolation. Although hermit crabs just molt about once every 18 months, if girlfriend don’t understand what come do when the time comes, it can be really stressful for you and your crabs. Many people suggest make an isolation tank as some crabs may assault the molting one. More importantly, you should recognize the indications that a hermit crab is molting prior to you deserve to isolate them.

Signs that Your Hermit Crab Is Molting

Your crab all of sudden starts digging, return this can be resulted in if the humidity and temperature are not at the ideal levels. A crab might dig deeper to insulate self from conditions he does no like. If it is a crab recently bought, it might be due to stress and also a brand-new habitat.Your crab eats and drinks excessively. This is since he’s save on computer fat and water in a small, gray-black “bubble” ~ above the left next of his abdomen.Lethargy, less activity.An ashy exoskeleton.Dull, cloudy eyes.The crab replaces a absent limb with a gel limb, which looks like a little nub where their leg need to be.Antennas watch tangled and show much less activity.

Setting increase an Isolation Tank

There space three different alternatives for isolating your hermit crab:

Buy another little glass or plastic tank, as long as you can carry out the best amount of humidity and also heat.If your tank is big enough, you can put a small tank inside the key one, so the temperature and humidity continues to be the same.Isolate your crab in the main tank.

Option #1

The very first option is most likely the many expensive, yet it guarantees that other crabs will not attack the “molter.” as soon as hermit crabs molt, they are inactive, for this reason they don’t need a very big tank, though it must be big enough to hold a water dish and a food dish. A little one will certainly do—molting is a serious affair! They’re not there to play around, therefore you carry out not have to worry about decorating it with things to rise on.

Fill a dish v their regular drinking water. If girlfriend want, friend can even fill one v saline water since molters need salt to aid retain water. Your food food should have food packed v calcium in it, such together cuttlebone, sand dollars, boiled eggshells, and also sea biscuits.

Around six inches the moist substrate have to be in the isolation tank for this reason the molter deserve to bury itself. You’ll should purchase a pet heating pad (unless you already have one) to keep the temperature approximately 78-80°F and humidity around 78-80% due to the fact that moisture is vital to molting. To save an eye top top the temperature, a hygrometer and thermometer are also recommended.

You can additionally add large shells to the isolation tank. And also although this isn’t necessary, relying on when you put them in there, the crab could not have enough time to destruction in the sand, therefore they will certainly dive in the huge shell and also molt there. Darkness is important to molting; researches have presented hermit crabs have actually healthier molts in darkness, like when they’re under the substrate.

Option #2

The 2nd option additionally requires an additional tank, but without one more heating pad and other extr supplies. To fill it v substrate, a water dish and food dish, however you don’t must worry around the humidity or temperature, because it’s within the main tank!

Lastly, you deserve to isolate her hermit crab within the key tank. Some civilization suggest using the side of a party of soda come stick within the sand. As long as it keeps the molting crab isolated indigenous the various other crabs, girlfriend don’t have to be concerned around humidity or temperature (unless it’s not right in the key tank!). Just make sure that the other crabs cannot climb over the barrier; otherwise it’s useless.

Choosing to walk Without one Isolation Tank

Many people argue it’s best to keep molters isolated, but others disagree. They say hermit crabs need to be retained in conditions that wake up their herbal environment- and in the wild, hermit crabs ask themselves for protection against other crabs and for darkness. Some likewise argue that isolation tanks bring unnecessary stress and also deep substrate should be enough for the crabs. Every little thing you decide to do, this crab have to be detailed with peace and quiet therefore he deserve to molt without getting stressed out.


Provide Privacy for your Hermit Crab

If you suspect your hermit crab is preparing to molt, destruction a little hole as large as the crab in the isolation tank and leave the there. Examine again in fifty percent an hour. If he was serious about molting, that would have dug underneath the substrate already.

When your crab is molting, the best thing you have the right to do is leave him alone. Withstand the urge to take a sneak peek at him; you don’t want to anxiety him the end or tear his soft, brand-new exoskeleton. The most you must do is mist the tank every day and also replace the food and also water. Hermit crabs molt all the time in the wild, so they understand what to do. If, for part reason, girlfriend absolutely must relocate him somewhere else, use a spoon come gently move him to a new place.

For how Long walk a Hermit Crab Molt?

Hermit crabs can take several weeks come a month come molt, but wait until your crab acts choose himself again, is an ext active, and also has consumed his old exoskeleton (it has plenty the nutrients!) prior to moving him come the key tank. Molting is just how hermit crabs grow; they shed their tough outer-casing and also grow a bigger one.

Additional Resources

This write-up is accurate and true come the ideal of the author’s knowledge. It is not intended to substitute because that diagnosis, prognosis, treatment, prescription, or formal and also individualized advice from a veterinary medical professional. Animals exhibiting signs and also symptoms the distress need to be seen by a vet immediately.

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Fern on respectable 05, 2020:

Natey wtf the is animal abuse and many people would have taken those hermit crabs native u gladly for choose 20 bucks each. And also how is hurting and killing pets funny. WTF really. You have to really speak to someone around how you thought killing these negative hermit crabs was fun. I have hermit crabs and also if girlfriend take treatment of them properly they revolve into an extremely nice feather animals. They space also really nice if you provide them the proper training. I even taught mine a couple of tricks like going v a little hoop and also grabbing a tiny stick if ns say host it. They are really intelligent and also it is sad the you killed them. I hope u recognize what friend did to be wrong now and also that many civilization love these guys as pets.

natey ~ above July 25, 2020:

i don't like hermit crabs cuz they space ugly and i killed some undesirable hermit crabs by dumping lock on a hot asphalt drive method and climate stomping top top them grind them under my Bluntstones...not the most humane yet fun and also funny! i showed them im the boss! ^_^

Stephanielewis5161983 on June 28, 2020:

My hermit crawled face an initial into an additional shell and hasn't moved is that molting ? must I cover the ? Help

Tiffany on might 10, 2018:

Please I need help! my crab just molted however I don’t have a covering for it!!!

derek top top February 09, 2013:

thanks because that the news

.I virtually thoght the my hermit crab died!

Angel top top November 13, 2012:

My crab digs a lot but i don't recognize if it is molting or the temp since the temp isn't perfect. I just can't tell, HELP?!?

Tessa toutant top top July 29, 2012:

I have actually an odd difficulty I have actually two crabs molting at the exact same time adthey space in the key tank and also the various other crabs I put in the other tank ns seperTed the 2 molting crabs by a piece of cardboard is that ok it's my an initial time ever before having a crab molt please I need help