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Genetics

Spider, Calico (one or two copies)

Spider About Spider

Recorded as showing this trait.

Incomplete dominant

How do you know?

Appearance reported by owner

Reported risk: Linked to a neurological wobble: head tremor, poor balance and trouble striking or righting, from barely visible to severe. Spider snakes examined in studies all showed inner-ear malformations.

Rose MP, Williams DL. Neurological dysfunction in a ball python (Python regius) colour morph and implications for welfare. Journal of Exotic Pet Medicine 23(3): 234-239 (2014).Starck JM, et al. Malformations of the sacculus and the semicircular canals in spider morph pythons. PLOS ONE 17(8): e0262788 (2022).Schrenk F, Starck JM, Flegel T, et al. Comparative assessment of computed tomography and magnetic resonance imaging of spider morph and wild type ball pythons. Journal of Comparative Pathology 196: 26-40 (2022).MorphMarket Morphpedia
Calico About Calico

Recorded as showing this trait. One or two copies are not known.

Dominant

How do you know?

Appearance reported by owner

Plan a pairing with Belladonna

The pairing starts with confirmed copies and supported carrier odds. Check Calico in the calculator before continuing.