Photo by Christine Cotter · Instagram
Juvenile female Axanthic Superconda
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Component genes
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Axanthic Superconda · Infiniti Superconda
The genetics
Axanthic
Axanthic is a recessive mutation that removes yellow (xanthin) pigment while leaving melanin intact. The result is a gray, black, and white snake that keeps its normal pattern and dark eyes but loses all warm coloration.
Anaconda x2
Superconda is the two-copy (super) form of the Anaconda gene — not a separate gene. It produces an extreme reduction in pattern on the body, often resulting in a nearly patternless or greatly simplified appearance. The head stamp remains. It occurs when a hognose inherits Anaconda from both parents.
What makes a Silver Streak
- Two copies of Axanthic — recessive, so it only shows when paired up.
- Two copies of Anaconda — the 'Superconda' super form.
This describes the genetics of the animal itself — not the odds from a pairing. Outcome odds are the Genetics Calculator's job.
More in the Axanthic family
The same base with its Arctic and Anaconda modifier variants.

Axanthic
Axanthic
Axanthic Arctic
AxanthicAxanthic Antarctic
Axanthic
Axanthic Anaconda
Axanthic
Axanthic Arctic Anaconda
AxanthicAxanthic Superarctic
Axanthic
Axanthic Arctic Superconda
AxanthicSuperarctic Axanthic Conda
AxanthicHave a Silver Streak photo?
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