iHerp Australia Issue 5 | Page 6

Below: Axanthic Zebra Carpet Python. started to think more and more about the animals I had held onto over the years of breeding; animals that fed better, seemed calmer, had brighter colours or different patterns. The inescapable conclusion was that I was altering these ‘pure’ or ‘natural’ animals in the same way that morph breeders might! Sure, I was only working at a polygenic level, and not with dramatic mutations with proven modes of inheritance, but none- theless, animals were being selected and therefore modified by human intervention. There was nothing natural or pure about it. I also started thinking over my many years of selling snakes; no one had ever contacted me asking for a dull and boring looking animal. Even if they wanted a wild type, they would always ask for the one with the best colours – and it had to be feeding well on an artificial diet of captive-bred rodents, plus possess a calm demeanour. A few months later I decided to compare the hold-backs from my clutch of Gosford Diamond Pythons to the original pair that founded this line. One was wild caught and the other a first generation captive, as pure as you could get. The offspring I held in my hand were five generations removed from these animals and looked