HCA: Hermit Crab Association

If your new crab just dug under today, it is very unlikely that he started molting immediately, especially if the sub isn't sand castle consistency when he got a little way down. If you are certain that your sub is only moistened on the top, you could consider digging up the one that went under toda...

Agree with Jonathon, to keep her in a dark iso.
Unfortunately, PPS can occur until the first molt or even longer. So don't rule out PPS based on how she was when you got her - the prior poor conditions could still take a toll on her.

Looks great! The crabs will love it!

The fact that they passed away so soon after you got them, probably had a lot more to do with their previous conditions than yours. Unfortunately, many crabs just run out of energy and no matter how perfect our set ups are, they can't over come what they have been through.

Here is the link to the FAQ and care sheets section:

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1. What kind of substrate is used in your tank and how deep is it? Some sort of dirt type stuff that is about 2 inches deep. Curly - Your sub should be at least three times as deep as your largest crab. It needs to be sand castle consistency, so that it holds it's shape for them to dig and make tunn...

Crabs don't always change shells before or after a molt. It is normal for them to stay top side for a while.

This is why it is important that crabs have at least 3 to 5 extra shells per crab, which are of the appropriate size and type. I don't really think it is a good thing to see, it means that resources are scarce.

If you copy and paste the emergency template, we can help trouble shoot what happened if you want.

Totally normal. They like to drag their food all over the tank!

Oh my! So tiny and so cute!

Crabs will sometimes do the chain-line-up thing when there is a shortage of appropriate shells.

What type and how many shells do you have for what type and how many crabs?

They are usable, but a glass terrarium is always better for several reasons. Many people use plastic totes. Not sure what your 'several reasons' are, but there are pros and cons to any enclosure. Here's the tutorial thread, it is from a few years ago and there is lots of discussion. Sorry it was la...

I have no idea how large actual name brand Tupperware containers are. But there are people who have very successfully used large totes/ tubs/ bins for crabitats. If you use the 'search' you should be able to find a tutorial on this site.

Hey! Hey! Hey! No dodgy website, no sketchy info....just an awesome, detailed, totally legit plant guide from our own AussieJJ!!

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