Any idea what this is??

picardoflik

Reefing newb
I had this as a hitch-hiker on a coral rock about 3 months ago... since then he has grown in size. I caught him today (which was quite a feat because he hides under a rock all day) and took a picture of him hoping to ID him. I had 3 zoas stalks missing and I leather mushroom coral gone since yesterday- no sign of them in the tank- I am wondering if he is the culprit.

Any help would be appreciated!
 

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It looks like a type of xanthid crab. I'm not 100% sure though.
I would keep it away from the display tank until you get a proper ID.
 
Good thing you caught him, looks like a gorilla crab or a decorator crab. He's probably the one who killed your corals.
 
There is a very good reason that looks like a Gorilla Crab,that's because it IS a Gorilla Crab.
 
i have one of those in my tiny tank, the things a beast and im starting to fear my peppermints lives.
 
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