Coated Xolos

Coated Xolos & the Genetics Behind Them

The Xoloitzcuintle is most commonly recognised as a hairless breed, but coated Xolos are not a modern invention or an anomaly; they are a natural and essential part of the breed.

Hairlessness in the Xolo is caused by a dominant gene, while the coated variety exists when a puppy inherits two copies of the recessive coated gene. This means that even when two hairless Xolos are bred together, coated puppies can still be produced.

Coated Xolos have always existed within the breed and are a normal, genetically expected outcome.

Why Coated Xolos Can Look So Different

One of the most striking things about coated Xolos is the wide variety of coat types, lengths, and textures they can have. This surprises many people, especially those familiar with breeds that have a very consistent coat.

The reason for this variation is simple:
the Xolo is a primitive breed shaped by natural selection, not heavy human manipulation.

Unlike many modern breeds that have been selectively bred for centuries to fix specific coat traits, the Xolo has retained a broad genetic base.

The coated gene does not dictate what type of coat a dog will have, only that it will have one. As a result, coated Xolos can express a wide range of inherited coat traits, including:

Short, smooth coats
Medium-length coats
Long coats
Straight coats
Wavy or curly coats
Fine coats or dense coats

These variations reflect ancient genetics as well as crossbreeding to save the breed in the 1950's. The coated Xolo’s coat simply reveals what the hairless dog carries invisibly.

Coated Xolos Are Not “Mixed” or Incorrect

A common misconception is that coated Xolos must be mixed with another breed. This is incorrect. A coated Xolo is genetically just as pure as a hairless Xolo, the difference is only in which version of the gene they inherited.

In fact, coated Xolos play an important role in maintaining genetic diversity and overall breed health. They are not lesser, incomplete, or “pet-only” versions of the breed; they are Xolos in every sense, simply wearing their genetics on the outside.

Temperament & Structure

Coated Xolos share the same temperament, structure, and primitive traits as their hairless counterparts. Any differences seen between individuals are just that, individual variation - not a result of coat type. Coat does not determine personality, working ability, or suitability as a companion.

Why You’ll See So Much Variety

Because the Xolo has not been over-refined by modern breeding trends, coated Xolos reflect the breed’s long history of adaptation and survival. Their diversity is not a flaw, it is a reminder of what the breed was before extreme standardisation.

This variety is part of what makes the Xoloitzcuintle such a fascinating and unique breed.

See Photos