hey i was just wondering if i could get a quick opinion here. iv got a 55 gal. medium planted tank with - 2x angelfish, 2x gold gourami, 2x bolivian ram, 4x khuli loaches, and a rainbow shark. now i dont think that im at capacity yet, and was wondering if i could get a small school (4-5) of a little fish, somsort of a tetra or somthing. any ideas?