Help with a crab id

[Siouxsie]

I have at least two of these guys in my tank. I am not quite sure what kind they are and just want to see if anyone may know or have them in their tank too. Are they reef safe? They seem to be only interested in algae and don't bother my fish or corals.

 

[Siouxsie]

The picture was a little blurry, so I deleted it. Let's try this one!

 

[Siouxsie]

So, I am going to give up on the picture now! It can be seen on my website. If anyone would be so kind to tell me how I am supposed to post a picture that isn't so pixelated? or what ever I am doing wrong to it, I would be greatful!

 

[dazed]

you can try here,
http://www.reefcentral.com/faqs/imgcode/IMGCODE.htm

hth

 

[b.branscombe]

The pdf picture can be viewed if you reduce the magnification to 100%. It looks like a gorilla crab to me, not reef safe from what I have read.

Does it look like this?

 

[WingnutSr]

That would ba a gorrilla crab. They do enjoy eating anything they can catch. They grow quickly too.