Good combination of bottom feeders and schooling fish for a 14 gallon tank?

Meesh

New member
Preferably colorful or pretty types of fish since I really admire the lovely ones? But good looking types are not essential. I want to stock my tank with a good combination of fish without overcrowding.

I already have 2 green barbs that have not exceeded the length of 1 inch each yet, so please take them into account. They need some friends, since they are currently living in this empty environment by themselves. Thanks for any suggestions. :)
And yes the tank is heated.
 
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