Hi, I have a Giant Gourami that is around 5cm in length, and have seen a Senegal Bichir that I really want to buy. The Bichir is just under 14cm long. Everywhere on the Internet and in books, it says it is fine to keep anything with Senegal Bichirs, provided that they can't fit into the Bichir's mouth. Would it be safe to put the Bichir in with the Gourami at this stage, or should I wait until the Gourami grows a bit larger? The tank is a 5'x2'x2'/