Piranha - Where from?

Hey guys, I'm new to the forums

Anyway, Within the next year or two I plan on buying ~5 Piranha.
However, I can't find any places online to order from. My questino is, do you know any places where I could find such fish?
They will have a HUGE home, and enough food to get them nice and fat

Thanks for any help ahead of time

The Cafe the fish will be in, won't be in Florida.
I will be moving to create the LAN Cafe


Which btw is what the Aquarium is for.