Tank big enough?

Christople

I think a Microgeophagus ramirezi would work perfectly with that set up.

DevilsOwn

With this new information I made the 'hopefully' last adjustment.

Microgeophagus ramirezi : 1Male + 1 Female
Boraras brigittae : 12
Cardinal Tetra : 8
Nannostomus marginatus : 10
panda corys 3X
sterbais Corys 3X
Peppermint Bristlenose : 1

Thank both of you allready.
I would have had a lot of issues if you did not provide this great help :)

Tazman

Nothing at all wrong with that stocking list
Only thing I would recommend is adding at least 1 more panda and sterbais Corys. They prefer to be in groups of 4 or more.
Even with adding 1 more of each you will be not overstocked.
Peppermint Bristlenose likes driftwood as well so you would need to provide a piece for it.