What is the suitable hermit crab?

[msuhaizie]

I hv button coral but my crab ruin everythng inside my tnk.. Dat crab always walk through on my button coral until my button coral feel smthng like scare or unsecure to open itself.. What should i do? Hope u can see some part of my button coral dat affected by hermit crab..

[carey]

My hermits and crabs walk all over my corals but they always open back up after the creature has left. it shouldn't do any long term damage.