Found a hairy crab with new live rock

[newmarine]

I just bought some cured live rock and after introducing them into the tank, found a huge hairfy crab as a stow away. Are they ok?

 

[Anonymous]

Probably not...how big is it?

 

[newmarine]

Big, I think is about the size of 3 - 5 cm. have hair all over.

 

[Anonymous]

3-5 cm, or inches? These stone (or rock) crabs are fairly common in LR, and when they get big enough they will start taking down your snails. I've taken a few that I've found back to the LFS. They haven't given me any credit, but they do thrive in their FO tanks.

 

[sawyerc]

I ere on the side of caution and get him out if you can. I've had a few crabs that made gourmet lunches out of my fish and inverts until I removed them.

 

[Rob Top]

Throw it in your sump. I've had one in mine for a couple years. Thing looks pretty mean too. About the size of a silver dollar now, that's body only.

 

[Arch01]

I have taken a pair out of my tank. The first time I put snails in is when I found the first one. He had a good snack at that point. Second one was found eyeing an overturned snail. Neither of them is in the tank any longer, but I sometimes worry there may be more. Besides, its not like they're cute... unless you like hairy crabs.
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marijuana plants

 

[Bucktronix]

dude just saying "hairy crab" gives me the willies!