HCA: Hermit Crab Association

Ok cool. Thank you for your help! So he’s the only crab in the tank. If he’s buried in the moss is it still considered a surface mold? From what I’ve read and the advice I received on here it seems like he’s maybe getting ready for a molt. I’m just so worried about him because he’s so inactive. Sent...

So will the exoskeleton be attached to him? I don’t really understand how it works. Will one moment he will be a crab and the next moment he will be a crab with an exoskeleton next to him? Or will the weeks it takes for him to molt slowly his exoskeleton will come off of him? Can he move at all duri...

So we’ve had our little Hermie for 27 days. I’ve asked questions on here about him being so sluggish and I’ve fixed everything. He has adequate substrate, temp and humidity are good. Dechlorinated water and marine salt water, variety of food, lots of plants to climb on, a braided rope and net for cl...

So the link you sent me was for tetra safe start plus. I found tetra safe start (no plus) for half the price. Would it work well enough since it’s not plus?or I also found this API quick start. It’s half the price as well on amazon and they also carry it at my local pet store for even cheaper. I’m t...

Aww man, now I just took out the trash! Bummer! Thanks for the advice though!


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Ok thank you so much. I have a question. I have t emptied the old tank yet. Would it be good if a took a few cups of that water and put it in my new tank?


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Yes I did! I put all brand new everything! So we want to get more. So should I just wait to let it cycle. Will it cycle on its own with no fish in there?


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Oh thank goodness! Since we got our Hermie and set up an awesome crabitat for him we didn’t want our 2 Glofish to feel left out so I bought them a bigger aquarium and all new glow in the dark aquarium decor. Well we finally transferred them to the new tank last night and we woke up and found both of...

So now I’m worried my humidity is too high! My humidity is 89. Is that too high? What happens if it’s too high? And if it’s too high then how do I bring it down?


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Yeah I think I will add a little deeper water bowls for him! The calcium supplement is Flukers calcium supplement for hermit crabs with honey powder. You give them egg shells? Like you crack an egg, empty it and give the shell? Do you give it to them whole or crush it up? You’re right Alaina it’s so...

Oh I love amazon! Lol I bought a lot of my supplies from there. That’s where I got his first shells but I ordered his second batch of shells from Etsy since they have people who live by the ocean and sell shells. There’s a very large selection. I read you’re supposed to measure his opening and add 1...

Thank you everyone for your advice. I’m still learning how to use this app so I don’t know if my response is going to be just under one persons post? If so, I’m writing back to everyone who responded. I have not treated the distilled or bottle water with a dechlorinator that I use to spray the tank,...

1. What kind of substrate is used in your tank and how deep is it? Beach sand 4.5” but our crab is small 2. Do you have gauges in the tank to measure temperature and humidity? If so, where are they located and what temperature and humidity do they usually read? Yes I do I have a digital one that is ...

Ok thank you. I’m not good with technology but I downloaded the app and I’m going to cut and paste the link you sent me with the answers filled out, right?

Hi I’m a new crabby Mom here and I’m worried about Hermie. I have one small crab in a 10 gallon tank. I have about 4.5 inches of substrate, the temp is 82 and humidity is goes between 75 and 85. My son and I rarely see Hermie moving around but the tank has tracks in it and shells were moved around. ...