I knowThat is worrisome and odd about how it’s reacting to food. Seems like you’re doing all the right things. Maybe you can raise the water temp to boost its metabolism
Its a very tough situation, I've never been so invested and cared for a fish so much. It definitely is a terrible feeling when I feel I cant do anything more.
I have part of the tank covered up for the past few days now and he just sits in the corner where its covered