In the case of the Gonyosoma hybrids that I mentioned in the thread above, the all-black G. janseni from Seleyar are born green and turn glossy black in the first few years of their life. The other parent, the green G. oxycephala are pretty much born with adult coloration.

Here is a picture of a G. janseni from Seleyar. This specimen is now all black and near adulthood. See my post "yes" above to see what the adults look like.



The hybrids between these species are born green and now as they near adulthood they have turned green with heavy black speckling, not unlike some of the pure G. oxycephala that have a lot of black speckling. I'll contact the breeder and see if he minds me posting a picture of one of the subadult hybrids.


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Current snakes:

0.0.1 Gonyosoma oxycephala - Java locale (green)

1.2 Gonyosoma oxycephala - Jave local (green)

2.2 Gonyosoma janseni - Seleyar locale (all black)

1.2 Gonyosoma janseni - Celebes locale (Black & Tan)

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