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Swiss Chocolate

Chocolate Superarctic

Photo by Big Easy Hogs · Jules Toth · Instagram

Sub-adult female Super Arctic Swiss Chocolate

Got a Chocolate Superarctic photo? Submit it to the Public Morph Guide.

Component genes

Swiss ChocolateArctic x2

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Also known as

Superarctic Swiss Chocolate

The genetics

Swiss Chocolate

Recessive

Swiss Chocolate is a recessive, hypermelanistic mutation that increases melanin production, concentrated most heavily on the head. Hatchlings are born dark and stay that way, producing a rich chocolate-brown snake — similar to Sable but darker and warmer in tone.

Arctic x2

Incomplete Dominant

Superarctic is the two-copy (super) form of the Arctic gene — not a separate gene. It produces a stronger, more dramatic expression of the Arctic look: brighter, cleaner, often with very strong black-and-white contrast. It occurs when a hognose inherits Arctic from both parents.

What makes a Chocolate Superarctic

  • Two copies of Swiss Chocolate — recessive, so it only shows when paired up.
  • Two copies of Arctic — the 'Superarctic' super form.

This describes the genetics of the animal itself — not the odds from a pairing. Outcome odds are the Genetics Calculator's job.

Have a Chocolate Superarctic photo?

Help build the Public Morph Guide — got a clear, full-body photo of a real one? Submit it and get credited. Every photo is reviewed before it appears.