From the top looks obese, even, because of the bulge on the side, do you know what the bulge is? Was it always there? Are you sure he isn't just suffering from a bad case of indigestion?
In the photos from the side, he doesn't actually look at all ill, just stressed.. can you post a photo of the other Grourami you have?
In the photos from the side, he doesn't actually look at all ill, just stressed.. can you post a photo of the other Grourami you have?