anybody know about decorator crabs??

[SpeedwayAutobody]

i recently got a decorator crab is what they called it. it looks like huge spider and it has pieces of shell, rock, coral all kinds of stuff thats he stuck to him self. i cant find out anything about it, does anybody know anything about these cool crabs? or is there another name for them??????

[swims withthe fishes]

here's a little info, you got lucky, should research before hand.
http://www.marinedepotlive.com/1174034.html