Fabian,

I finally counted the subcaudals on the specimen I've had for several months. Mine has 145 subcaudals which makes me believe it's a male.

I plan to recount. I did it quickly and without any sort of marking device to keep track.
-----
Currently keeping:

6.10 Gonyosoma oxycephalum (Javan, mixed colors)

0.0.4 Rhynchophis boulengeri

1.1 Philodryas baroni

1.1 Lampropeltis triangulum multistriata

0.0.1 Rhamphiophis rubropunctatus

0.0.2 Morelia viridis (Aru & Merauke locale types)

1.0 Rhodesian Ridgeback