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1.) Opaline Gourami (male)
2.) Golden Gourami (female maybe)
You have two of my favorite Gourami now I'm jealous! I have an Opal but I want a Golden! Also if they're both male you should watch closely and make sure they're not fighting. If they're going in your awesomely large tank then I personally wouldn't be too concerned just keep an eye out! The larger Gouramis (well *most* Gourami for that part) will generally not tolerate others in their species.
First ones diffenatly and opaline gourami , keep an eye on then everyone says there territorial I have 6 in my 65 gal there fine but they may cause a problem just keep an eye on them