I have a Gold Gourami in a 10gallon tank he's about 2in long I want to know if I can add any fish in the tank ( I'm thinking about adding a few Cardinal Tetra orNeon Tetra Jumbo and a bottom dweller one or two like a Albino Aeneus Cory Cat or Palespotted Cory Cat or a False Julii Cory Cat) there a lot of room for the fish to be added I had the gold gourami for 3 weeks and the tank for 5 weeks ...soo I worrying what kind of fish I can add ( I know gold gourami are aggressive fish but what can I add