powder blue tang is pealing

[NaztyStang3121]

Hello,

i got a powder blue tang about 5" long. he usually swim everywhere but today he is at the bottom of the tank and does not move from the right bottom side. i dont know what is going on, but it also seems like he is pealing. i need your help please they me what to do. that has been the must expensive fish i had bought thank you.

<img src="http://i36.photobucket.com/albums/e8/Julio_Caracas/HPIM0877.jpg">
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<img src="http://i36.photobucket.com/albums/e8/Julio_Caracas/HPIM0916.jpg">

 

[NaztyStang3121]

hello

how do i know my fish has ich. and what shoulg i do for the....