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Xoloitzcuintli

Xoloitzcuintli genetic profile from the CanVAS Atlas. 20 dogs in the Atlas, heterozygosity 0.36. Nearest relatives, trait loci frequencies, cohort distribution.

What the atlas says about Xoloitzcuintli

In the atlas, the Xoloitzcuintli clusters consistently as Xoloitzcuintli (100% of the 20 dogs here). Genetic diversity is high (mean heterozygosity 0.3567), reflecting either a mixed-breed cluster or breeds with broad genetic backgrounds. At the trait loci, HMGA2 runs lower than average (25% here vs 56%).

Ranks 92 of 107 on the bottleneck severity scale, in the upper quartile of genetic diversity. Mean heterozygosity is 0.357, notably high, indicates broad genetic background. Low breed predictability score (0.25), individual dogs of this breed vary widely in genetics, suggesting active substructure or sub-population diversity. Only 20 dogs of this breed in the atlas, modestly sampled.

Closest genetic neighbors in the atlas: Schipperke, Bichon Frise, Ibizan Hound, Brittany, and Miniature Poodle.

Median lifespan is 14.0 years, about 1.9 years longer than a typical dog of 17.5 kg, an unusually positive longevity for this size.

Genetic dimensions · CanVAS atlas

What the genome says about Xoloitzcuintli

Computed from the 14,478 research dogs in the Atlas. Methods: technical methodology.

Dogs in the Atlas
20Founders
14 from Hayward2016, 5 from Spatola, 1 from Shannon
Genetic diversity
0.36Diverse
Mean heterozygosity across the breed. Ranks 92nd most genetically tight of 107 ranked breeds.
Cluster structure
Single tight cluster
Intra-breed RMS distance: 36.26
Nearest genetic relatives
  1. Schipperke5.29
  2. Bichon Frise6.48
  3. Ibizan Hound7.31
  4. Brittany8.61
  5. Miniature Poodle10.21
Top-10 PC corrected Euclidean. Lower = closer.
Trait genetics
Allele frequencies at named morphology loci

Frequency of the alternate allele in this breed at each locus's representative SNP. Methods + caveats in technical methodology.

Body size
IGF168%
HMGA225%
SMAD250%
LCORL88%
STC257%
ADAMTS1748%
Leg length
FGF4·CFA1863%
FGF4·CFA1280%
Coat
RSPO257%
FGF565%
KRT7190%
MC1R75%
Ear set
MSRB355%
Skull shape
BMP368%
SMOC278%
Add your Xoloitzcuintli to the Atlas

You can add your Xoloitzcuintli right now at /add/ as a Charted star. Or, if you'd rather wait for DNA uploads, leave your email and we'll let you know the moment those open.

Last updated
Sources: CanVAS (Brundage 2026) · CanVAS dimensions data