Question New Tank. Hermit Crab Lost Limbs And Died.

CHAMELEON_BREEZE

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Recently I got 6 zebra hermit crabs for my tank. After a week, all the crabs except one have been doing fine. One crab today just lost a limb and both of its pinchers and then came out of its shell. I put it in a separate cup. It is unresponsive and possibly dead. I didn't test my water yet. The other crabs have not been doing this. I have seen some bullying in the tank. I don't have any fish yet.

What could be the cause of this? Should I be concerned?

(BTW I am planning on getting fish, so I need these crabs for a CUC.)

EDIT: Could It be molting? I read online that hermit crabs that are molting can be mistaken for being dead. It came out of the shell when I grabbed it. Could I have stressed it out to the point of death? Could it still be alive?
 
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Tony_097

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I had a hermit kill another of its pals for its shell some crabs are mean little guys.
 
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CHAMELEON_BREEZE

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yeah. the hermit crab moved once in the cup, but now the cup is starting to smell like dead fish, so i'm guessing its dead. Also, I don't have any other shells in the tank. Are there any good shells online. I have Zebra Hermit Crabs, which get 1". I also live in Hawaii, so I don't know if a lot of stores can ship to here.
 
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CHAMELEON_BREEZE

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I found some good shells on Amazon. They are some nice Nerite snail shells, as my hermits currently live in. Maybe I can also ask my local LFS if they have shells. Also, the crab in the cup grew two things on its body. They are like a pinkish color and have little claws at the end. Maybe it's regenerating. However, the cup STINKS! It smells like dead fish! I read that this smell could mean the crab is dead or it's molting, but i'm not sure.
 
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CHAMELEON_BREEZE

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One of my zebra hermits is out of its shell and motionless. It has only a few legs and no claws. I don't know if it's molting or dead? How do I tell?

I'll upload a picture soon.

UPDATE: The crab still has one claw.

ANOTHER UPDATE: I was getting worried about the "dead" crab, as it had no abdomen. However, I made a little crab count. 5 crabs! The same amount of crabs before I saw that "dead" crab. It turns out one of my crabs had a successful molt and all are doing okay!
 
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