My opinion about the increase in surface breathing is that warmer water equals less dissolved O2. There is probably just less oxygen in the water, therefore, he stays at the top more to take more breaths. You can add an airstone, that might make it better for him.
sick fish, need help
- Thread starter Chef Lublin
- Start date
bad news...After coming home from work i found some feeders nibbling on the poor guy 
R.I.P buddy 
