HCA: Hermit Crab Association

Okay BREATHE. You will not want to move the tank as a) it will be VERY heavy and b) their molting tunnels/caves are almost certain to collapse. Once you do find them, you should put each into its own moist/dark/warm ISO (kritter keepers or plastic shoeboxes) and treat them as surface molters. I kno...

Hello, I’m in a bit of a predicament. I’m moving into my fiancés house and out of my old one. I have 2 crabs that are currently molting in my 40 gallon breeder sized tank. They have been down for about 3 months now. I have a camera up in their tank and they haven’t come up once in that time frame so...

Ok so I’ve never had a mold on my moss problem before. But recently I have moved my crabs to a new tank, and I got frog moss (which was a new one to me, I used regular water and it got moldy FAST) and then I went back to my original moss I’ve used before, beaked moss. I read online it’s a good idea ...

Thank you guys! It makes me feel better they are likely mushrooms! I keep pulling them out as soon as I see them and they somehow are sprouting deeper in the substrate so sometimes is hard for me to see them and get down there to pull it out! I have 2 crabs that are molting somewhere in the tank so ...

Hello, I’ve been noticing this past month I have these white things sprouting in my tank! I have no idea where they are coming from, and even though everytime I see one and I pull it out of the tank more appear and some deeper in the substrate. What are these? Are they bad or are they something the ...

Thank you!! That’s great advice!


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Ok that makes me feel better! I wish I had no bugs at all totally freaked me out when I saw them! Hopefully the bugs eventually die out! Haha Thank you! You have been super helpful since I’ve gotten my crabs and I appreciate it!! So much to learn as a hermit crab owner! Sent from my iPhone using Tap...

Ok so I’m kinda freaking out here I’m so not a bug person. After throwing out my crabs food (it gets moldy so fast! I give them dry hermit crab food mixtures from etsy) I felt something on my hand and I saw a tiny tiny brown bug. I killed it and look back in the trash and noticed little brown walkin...

Thanks guys!! I have a 40 gallon breeder sized tank! Thought it would be a fun addition to add. I feel a lot better knowing it’s safe!


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Hi guys! So I researched safe wood for hermit crabs and for some reason I can’t find anything on “spider wood” I found it near the aquarium stuff for fish. Is this safe for hermit crabs to eat and climb? I thought they would enjoy climbing it. Please see the attached pictures for reference and let m...

Thanks guys!! I will switch to the natural brown colored version of it instead!!

Everyday I learn something new about my hermit crabs, keeps it exciting!


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Hi guys! So I have been reading conflicting information and wanted to get some input. I have been getting my hermit crabs “Green Sphagnum moss” and they seems to love it. They hide in it, eat it and play in it. I’ve been reading that if it’s green colored it could be bad for them though. I got the b...

Ok that makes me feel a lot better!! I was so worried about the whole crab pool thing but for some reason mine are not interested in them at all! I’m gonna leave it in for maybe a few more weeks to see if the others take interest but if not I’ll remove them and that will create a lot more room in th...

Ok this is all great advice! I have 3 others but they are all hiding (I think molting) I worked so hard on crafting these pools but it would make a lot more space in their crabitat without those too and if I just add back their other ones!

Oh that makes me feel a lot better! They seemed to love the shallow pools I had in there before so I’ll make sure to add those back in with the big pools so they have options!!!


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