So today I moved my Betta from his 10 gallon where he had been bullied by the other fish. I took him out and he was in a container waiting for his new tank to reach room temperature. I just went to feed and also to put him in his tank, and I noticed him gasping. Air bubbles were coming out of...

So, I have an orange double tail male named Rocket Zombie {dont ask} who recently seemed to be ill. He has a filtered 3 gallon tank, no heater because I feel it is not nessacary where I live, and I just can't seem to find out why he is so lethargic. I put him into a hospital cup, so I can...