Is there something wrong with my fish?

[Patric1]

So I’ve had this new Kole Tang in my tank for almost a week now.. he hid for the first day in the rocks as i figured.. next day he was out n about until i walked up he would hide, normal i would think.. every day he got more use to me and wouldn’t run and hide.. well fast forward a few days I’ve been home for a couple hours now and haven’t seen him come out once and is breathing heavier then normal.. my parameters are
PH 8.0
Ammonia 0
Nitrates 0
He’s in a tank with a Fiji damsel, couple peppermint, cleaner , Hermit, and snails

mind you the power went out yesterday,last night, and today all for about an hour each time because of the weather.

 

[Dragon52]

Could be oxygen level due to power outage, aim your powerheads at the top of the water to get more agitation & see if that helps. If he's the biggest fish it would affect him 1st.

 

[Patric1]

Could be oxygen level due to power outage, aim your powerheads at the top of the water to get more agitation & see if that helps. If he's the biggest fish it would affect him 1st.

Ok i did slap a little bubbler in there when i got home and turn the lights off.. he is the biggest fish as welll

 

[Dragon52]

How big is the tank & if you have a skimmer in the sump you could also run a hose to the air inlet on the skimmer from outside if possible or at least out side the tank stand.

 

[Patric1]

How big is the tank & if you have a skimmer in the sump you could also run a hose to the air inlet on the skimmer from outside if possible or at least out side the tank stand.

36 gallon
HOB Filter