Who is this little guy i found in my tank

[Fidget1979]

Found this cute little fella when I had a bit of a rearrange in my tank, no idea where he came from or if he is a goodie or a baddie, any advice most grateful.

 

[Gboy66]

Found this cute little fella when I had a bit of a rearrange in my tank, no idea where he came from or if he is a goodie or a baddie, any advice most grateful.

Anenome crab?

 

[b.jent10]

Anenome crab?

+1 looks like an anemone crab

 

[Zer0]

Looks more like a type of porcelain crab to me. It's white so it's probably a good guy. Typically, the lighter colored crabs are good, as long as they don't have dark claws, like dark green or black or red. Those are usually the predatory crabs.

 

[b.jent10]

Here compare it to this. http://www.liveaquaria.com/product/prod_display.cfm?c=497+501+629&pcatid=629

 

[mr_X]

You could also look here-
Crab Hitch Hikers