Longest-lived small breed — well-cared Chihuahuas regularly reach 14-17 years
AKC registered in two varieties (smooth coat and long coat) with a storied US show history
Extremely adaptable to apartment and city living — one of the most popular breeds in US urban centers
Fierce, devoted loyalty to their person — a true one-person companion in a pocket-sized package
Notoriously difficult to housebreak — patience and a strict schedule are non-negotiable
The molera (soft spot on the skull) in some individuals requires careful handling throughout life
Prone to hypoglycemia as puppies — multiple small meals and monitoring are essential in the first months
Small dog syndrome risk — without firm, consistent handling from day one they become demanding and snappy