There are a few people out there working on variants of dumerils, but the only morph that has been remotely recognized is an albino-looking individual out of Germany. This is not a traditional albino, but what appears to be a T or even a hypo. I know that several people are working with hypo-like animals, or pastel-like animals, but I haven't seen anything concrete. I'm sure some of the more experienced dum breeders could supply you with better information, but the bottom line is that the dumeril gene pool is too small, and the likelihood of multiple morphs in this species (like with ball pythons or BCC's) is slim to none.
Here is a weblink to the albino:
http://www.pythons-boas.de/dumerili.htm
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Thanks,
Amy
www.myboids.4t.com
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2.17 Normal ball pythons
1.0 Pastel ball pythons
0.0.1 Sinaloan Milk Snake
0.0.1 Plains Garter
0.1 Normal Kenyan Sand Boa
2.0 Anery Kenyan Sand Boa
1.0 Mid-Baja Rosy Boa
0.1 Leucistic Texas Rat
1.2 Dumeril's Boa
My list is too long, so I'll stop here!