1nevrquits kept peacock gudgeons in his community tank. Nice little fish, I'd say a pair would fit in nicely with that set-up.
Your honey gouramis will spend more time near the top if ya have tall and/or floating plants. Maybe you do, and then there's another reason they're staying close to the bottom. IME, they stay away from the top when they feel insecure, and more cover at the top of the tank usually draws them up.
WYite
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One can never have too many fish tanks.