Quick ID Needed Pls - new live rock

[ShaggyRS6]

Good or bad ?

 

[KJ]

Sump him.

 

[ShaggyRS6]

Thanks!

 

[KJ]

I have been looking over this pic a couple of times and I think it may be a decorator crab, I am not 100% sure but it looks like it.
@Lovemyreef2015

 

[ShaggyRS6]

Well he went the same way as the 3 gorilla crabs unfortunately! Was not sure what it was!