crab to avoid

[thang45]

Hello everyone,
I purchased a hard coral yesterday and the lfs owner found a crab in the acro. He told me that this is a bad crab and I should kill it or else it would eat the coral.
What kind of crab is he talking about?
FYI, I have another crab stuck inside of my other acro that I have purchased last week. Should I kill it too?

 

[kingsmith]

I'm sure people will need a pick or description to give solid advice

 

[btldreef]

There are acro eating crabs. There are also acro-crabs that are beneficial to the coral. You need to be able to properly ID or you've got big problems on your hands. I've had both in my tank and honestly, if you can't be positive that it's an acro-crab, banish it to your sump. Those little guys can eat all your polyps off the acro and kill it in less than a week.

 

[thang45]

Originally Posted by BTLDreef
http:///forum/post/3183085
There are acro eating crabs. There are also acro-crabs that are beneficial to the coral. You need to be able to properly ID or you've got big problems on your hands. I've had both in my tank and honestly, if you can't be positive that it's an acro-crab, banish it to your sump. Those little guys can eat all your polyps off the acro and kill it in less than a week.
Ok, put it to the sump sounds good. Maybe I will take a picture while i'm at it.