I've noticed some bubbles in the top corner of my aquarium, around some water sprite and a piece of driftwood that reaches the surface. I thought it was too small to be a bubble nest so I just disregarded it. Then about 2 days ago I noticed how big it was. Then I watched as my male honey gourami made more bubbles to add to the nest. I also saw the male and female wrestling when I came home late one night. I did not see any eggs being released or anything, maybe they were startled because I had turned on the light in my room. Last night I saw him add yet some more bubbles to the nest, and he was acting very territorial which is not usually like him. He would chase any fish away, even the small otos. Now I've lowered the water level a little bit, and I've take all the fish except the two gouramis out. I've also turned of the filter. From now I'm not too sure what to do. I haven't seen the gouramis embrace again yet, and the female seems to stay in hiding. Can anybody give me any input on anything that is naturally going on, or that I did or didn't do?