Well my 55 gallon has 9 Black Skirts in it, they are so pretty! is 9 a good number or do they want more? like 13 or something?
anyway, i want to add another large school of larger then average tetra.. what should I add? I am thinkign columbian tetra, or emperor.

what do you think? anythign else I could add that is pretty and not mentioning?