I'm looking into getting a Dwarf GouramI and a Pearl Gourami. I have a 30 gallon with 5 neon tetras and 5 guppies, and I was wondering if the Gouramis are happier kept alone or with a friend? From what I have found online most Gouramis don't always do well with their same species but it seems sortof like Dwarfs and Pearls might be the exception. Have people successfully kept the Pearls with smaller fish like guppies and tetras and in a 30 gallon? Do they need a mate? I don't think my tank could hold two Pearls but don't want to get it if it will be unhappy. What about dwarfs? I could probably get a couple of those. Do you need a male/female pair? Where I was going to get them only have male Pearl and Dwarfs I believe. Thanks!