What's the difference Marble Motoro and Reg. Motoro?

[Silversurfer]

Seen these comments floating around, Marble and regular Motoro, along with a pretty good price difference as well. I googled some images on each but look nearly same to me. Anyone shed some light on this?

 

[Nic]

pattern and color vary from common peru to regular columbians to the columbian marbleds....

 

[JamieC77]

1st Picture is a motoro and next is a marble.

 

[keepinfish]

That is a great example, You can see my picture on the left and see the difference from peru and columbian motoro's left is columbian right is peru