So, currently I have a 46g bowfront tank, and it has close to 24 Silver-Tip Tetras, 4 Rhino Gobies, around 20 Cories, a molly, and 5 Sunset Gouramis. They have all been living very well, but 3 of the gouramis are male, and I have been seeing bullying. I don't like this sex ratio, and my current...