Country of origin: Mexico Bred for: Companionship Group: Toy Color: Any color, solid, marked, or patched Life span: 14 to 16 years Grooming Needs: Brush coat weekly Coat: The smooth coat is soft, close, and glossy; the long coat is soft, flat, or slightly curly with fringed ears, plumed tail, and feathering on legs and feet Size: 6-9 inches, 6 pounds Temperment: Saucy, terrier-like, and alert Training: Medium Energy: Medium to high Children: Good with older children Compatibility with other dogs: Good Health Concerns: Luxating patellas (slipping kneecaps), collapsing trachea, heart disease, hydrocephalus (water on the brain), retained baby teeth, early tooth loss, hypoglycemia in puppies