Got a picture of him? Are you SURE it has to do with the swim bladder? Swim bladder *usually* makes them float up to the top like a balloon in water. Check him from the top (bird's eye view) and see if his scales are sticking out, like a pinecone. If so, it's dropsy... Which is NOT a disease, but a symptom of something wrong inside.
His fins could also be getting chewed.. stress can do this. I have seen some unhappy sick fish and they do it - it's like us trying to release stress via bad habits.
Constipation can still exist without food - if they haven't pooped out their last meal, there is nothing new to help push it out. Otherwise, if the scales are NOT raised, it can also be fluid build up that can lead to dropsy.
I'm sorry you are going through this. If you feel in the end, that he is suffering way too much...You may have to call the final decision of whether or not to keep him around. You can let him pass by himself, or if he really is suffering... There are gentle and peaceful ways to have him go.
His fins could also be getting chewed.. stress can do this. I have seen some unhappy sick fish and they do it - it's like us trying to release stress via bad habits.
Constipation can still exist without food - if they haven't pooped out their last meal, there is nothing new to help push it out. Otherwise, if the scales are NOT raised, it can also be fluid build up that can lead to dropsy.
I'm sorry you are going through this. If you feel in the end, that he is suffering way too much...You may have to call the final decision of whether or not to keep him around. You can let him pass by himself, or if he really is suffering... There are gentle and peaceful ways to have him go.