[quote=NacNak]
they populate fast, which is why they're expanding out into the galaxy, on their way to tier 2 =3 3 trillion Zargan's, 2 trillion Sas-Zak, 5 trillion together..........if it's overkill then I'd lower the number without a fuss =3
[/quote]

That's beyond overkill. 5 trillion people? In six systems? 

How do they all eat?