A "guy" whom I have been trading fishes with, he bought some fishes from someone when he tried to get it out. The fish swam fast n banging to some decors. He told me it was rough trying to get him.
When he came to my house to get some more fishes, I saw the fish was in his side dying. So he gave it to me.
I had him for few days. The tank has been running almost 2 years.
He is eating, swim up to get pellets, just can't stay afloat.