Missing damsel!!!

Got home after work tonight and all our fish are alive and well, except our damsel is MISSING! We have 2 clowns, 2 yellowtail damsels, 2 urchins and a missing black and wht striped damsel... The clowns are about 2 inches long and the damsels are 1 inch... Is it possible that the damsel has been eaten? We think we can see in all of the caves of the liverock... Please offer your advice, we are very concerned with this mystery... :confused:
 
Thanks for the help... We do have 2 hoods on the tank so he shouldn't have been able to jump. We have fed the fish with no luck... Moved some of the live rock also. Still looking... Thanks.
 
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