need an id

[Mike389]

Found this crab under neath my rock... need to know what it is.

 

[cowfish]

Can't tell from the pic. When it comes to hitchhiker crabs - "when in doubt, get it out."

 

[skene]

you see a crab?

 

[Mattl22]

If u can grab him throw him in ur sump!

 

[thirty6]

I think i see what he's referring too, cant make it out though

 

[ZANYMASTER]

Looks like a Emerald crab or the dreaded gorilla or stone which are both bad.Some emeralds are nasty with SPS too.