I have a gouramis (no idea of its actual name, but its reddish-orange) that has started swelling like a puffer. It stays at the top mostly, but it will swim in the upper fifth or sixth area of the tank. It's not dormant, except when I walk up to the tank to feed them, it will usually duck up behind something. It will eat, but not aggressively.

The tank is a 55 gallon community tank with other gouramis, three angel fish, six danios, a few mollies and guppies, red tail shark, clown loach, two kulhii loaches, two ghost cats, a glass fish, a couple of cori's, a pleco (rarely seen), and a peacock eel (rarely seen). I've got them all a couple of months ago, all of them small at the time, none are particularly big yet, but of course they are growing.

Nothing seems to be particularly aggressive toward the gouramis, other than maybe this one that is blowing up, which might chase off one of the blue gouramis if it comes in its immediate space.