In pre-Conquest Mexico hairless dogs were once believed to have sacred significance and were often used as a sacrifice or ritually eaten in religious ceremonies. Due to these practices, the Mexican Hairless dogs barely escaped extinction and it was not until the mid-20th century that breeders began to work towards its recovery. Three Different sizes are recognized – toy, miniature and standard.
Like all hairless dogs, this breed has limited general appeal and remains something of a rarity. Nevertheless, the Mexican hairless dog, also known as the Xoloitzcuintli, is incredibly cute, good-tempered, and intelligent. It is likely to reward it owner with loyalty and affection. The Mexican Hairless dog is a very long lived healthy breed. About 15 and up to 20 years is very common.