08-08-2012, 03:36 PM
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I agree with Olympia about the cichlids. Not a good mix with gourami. Your gourami is actually a Blue Gourami
(click on the shaded name to read more) and will need a larger tank. There are gourami suited to your 29 gal, but the opaline gourami isn't one of those.
Once you have a nice school of upside down cats, you can look at adding a school of tetra. Olympia gave you some great suggestions. All of those fish are large enough that neither the gourami nor the catfish will see them as food.