"The duct tape doesn't have any sticky surfaces exposed to the air, is it still a problem? Oh, and Mort is full grown, maybe 3 1/2 feet."


Doesn't include duct tape but does have small spaces. Look at this thread:
It was my Florida Blue Garter, Jesse, who is around the size of your snake...this is what can happen

http://www.thamnophis.com/forum/gene...epic-fail.html