15 gallons

Hello, So, i have a 15 gallon tank that is now stocked with 3 Honey Gouramis and 1 Dwarf Gourami. I want to add some more tank mates for them, any idea? I've been thinking to add 10 schooling fish perhaps Maculata Rasbora or Ember Tetra or Buenos Aires Tetra and 4 to 6 Corydoras. Any...

My 15 gallon column currently has 5 Otocinculus cats and about 50 RCS. I am looking for another kind of shrimp that will not breed with the Cherries, but are easy to keep. I considered a bamboo previously for a 20 gal. Would one be okay in the 15? I have some driftwood that sits right in the...