If you can't see the obvious differences in these snakes, study up some more, learn how to use google images, and don't post in threads like these. That way, incorrect knowledge doesn't get passed on to others.
(although your boa pic is probubaly either a Surinam or [FONT=arial,sans-serif][SIZE=-1]Peruvian & youd have probubaly known this if they were sold in aus)
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