Hermit Crabs keep coming out of shell

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Nano Saltyy

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My thin striped hermit crabs keep coming out of their shells. Is this normal behaviour or something to be concerned about.
Parameters seems to be nominal.
Amm - 0
Nitrite - 0
Nitrate - 30
Salinity - 1.022

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CanuckReefer

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I see...
Sorry. I just panicked when I saw this was happening the second time and added the Emergency tag.
All good, my suggestion is provide them with a few shells bit larger or similar to what they have. Purchase them from your LFS, rather than a dollar store sort of thing that some do. Watch them try on the new digs! It's entertaining to say the least.
 
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Nano Saltyy

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All good, my suggestion is provide them with a few shells bit larger or similar to what they have. Purchase them from your LFS, rather than a dollar store sort of thing that some do. Watch them try on the new digs! It's entertaining to say the least.
Okayyy..!
I shall do that. I should buy the shells a little larger than their current ones, right?
 
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CanuckReefer

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Okayyy..!
I shall do that. I should buy the shells a little larger than their current ones, right?
Ya, or just a mix, some same size too, they sometimes want a new outfit like you or I would lol. Thin stripped are actually a pretty cool little hermit, always active.
 

MaxTremors

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Okayyy..!
I shall do that. I should buy the shells a little larger than their current ones, right?
Try to get the same kind of shell it had previously, only a little bigger. Most hermit crabs are specialized to use specific types of shells (for example Halloween hermits will only use conch shells, Mexican red legs will only use cerith snail shells, they’ll use something else in a pinch, but they won’t be comfortable).
 

Powahfull

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My red legs favorite Astera? The pyramid snail shell and cerith snail shells. I do have one in a big turbo now I swear he has trouble moving around but he likes it I guess. One uses a margarita snail shell and NONE want the conch shell.

The only time I have seen a hermit get out of their shell besides testing new shells is when the shell gets stuck like when they fall after hanging upside down on the live rock not all the snail shells are easy to flip back over in live sand.
 
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Tankkeepers

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Toss in a bunch of shells various shapes and sizes and it'll be fine but if it's out of its shell looking for a new once it is an emergency as it'll dye very soon while they can survive without a shell iv never seen one that has they usually die in a day or 2 one out of its shell means it's way to big for any of the shells u have as hermits don't come out of their shells and go looking for a new one they find one while currently in a shell check it clean it and switch on the spot they don't come out and run around the tank looking for one
 

dyno

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I've never seen a hermit leave its shell untill it has found a suitable upgrade. I have seen hermits bail when something wasn't right in the tank.
 

Tired

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Yeah, it's not really normal for them to come out of their shells and randomly wander around. Normally they'll find a possible new shell, poke into it, and switch over quickly if they like it, because being out leaves them exposed. Being out of the shell won't kill them (unless something eats them), but if they're out for more than the second it takes to swap to a fresh shell, something is wrong.
 
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