Is my Naso breathing normally?

[Miami Reef]

Hello guys.

I wanted to double check something on here.

Had this Naso tang for 11 days. It’s been at 2.5ppm copper and 2 prazipro treatments already. I did notice it breathes with its mouth and I just wanted to run it by this forum to make sure it’s ok.

 

[Miami Reef]

Edit…

 

[Miami Reef]

edit…

 

[Miami Reef]

Update: I ran a few tests.

Ammonia: 0
Salinity: 1.025
Copper: 2.4
Temperature: 81.5F!!

I think the temperature is causing my fish to breathe heavily. I do have a lot of gas exchange, but my tank is near a window. I just turned off my heater and I hope the temp will go down. I might even throw a bag of an ice cube and monitor their breathing.

 

[Miami Reef]

Temp is dropping. It’s 81.3 now.