I have an UltralMel Aztec from VMS stock that has always had a missing head scale (sorry no decent photo available) and I was told that this issue is prevalent in certain lines, but I have not seen any real data to back up that conjecture. It will be interesting to see if he passes this trait on to any of his young, assuming of course that any of the eggs he fathered successfully hatch in about 6 weeks (fingers crossed
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