acropora crab

hello all
a quick question that I am hoping some one can help me with
I have a fading acropora coral that has a very cute acro crab hosting
what I want to know is
when this coral dies will the crab ??
or will it host say a soft coral or live in a rock
thanks

 

anyone ???
have one living with no sps ??

 

i have 3 or 4 coral crabs in my tank. my opinion would be- if the crab has no coral then its going to die. buy another sps coral of the same type if you can and put them close together. aqnd he will move over if he doesent like the one he is in. mine move around occasionally, alwas on the sps though. never seen them on the softys

 

thanks
am not sure my lights are good enough for these acroporas
I have twin deltec razors = 4 t5s
this crab does feed on frozen and flake
so it might stand a chance

 

Are you sure it is an acro crab? It could be killing the acro.

 

yes its a Trapezia Pocillopora