New 45G Tank

[joshrm115]

Ok just finished my bacteria cycle (3 1/2 week process) and I added 9 tiger barbs(fairly small) 1 pleco (fairly small 3 inches) and 2 tanichthys micagemmae (about3 inches a piece) my question is can I add anything else? if so what?? knot that I do replace about 25o/o of the water every other day just becuz any advice