I have 16 C.Moorii fry in a 29g. tank. They are about 5 weeks old & about 3/4" to 1" in size. Can I safely add 17 Electric Yellow fry ? They are 2 weeks old & about 1/3 " in size. My plan is to leave them in the 29 for a couple of weeks before putting them in a 50g. grow out tank.