leopard danios

Hey guys I am new to this site! I have a 29 gallon tall tank. It has been cycled and it is planted with anacharis! I have 7 Zebra Danios in it and I just recently added 6 Leopard Danios, for a total of 13 fish. I am wondering if this is to many fish for a 29 gallon tall tank? I hope not because...