tang gulping air

[low riderr]

does anyone know why my lieutenant tang gulps air?ive had him about six months and hes done this ever since,he seems in good health and has good colors.just curious

 

[block head]

Could be a bunch of things. Parasites come to mind. Prazipro might not be a bad idea. Fish are awesome at hiding weakness. If you see something, more often than not, the fish is in a bad way. Treatment in late stages is often fatal. I treat in qt proactively