Update-
I got 5 potted amazon thru the mail last Thursday. They are not as big as I thought they would be; around 7-8 inches.
The oscar has beat up 2 which I transferred to a 20g, but it seems the worst is over and it has left the other 3 amazons alone.
The 3 silver dollars have not really touched the amazons, maybe a nibble here and there.
I'v had amazons from petsmart/petco in the past and they were destroyed, but these amazons from aquariumplants.com are more hardy and look healther but at a price. These amazons are have a bright green and the leaves are stronger.
If I could do my order over again, I would have bought 2 mother amazon from aquariumplants.com.