Temperament: The Chihuahua is deeply devoted and fiercely loyal. They typically become extremely attached to one or two people. The Chihuahua is a good companion dog. Courageous, extremely lively, proud and enterprising, it gives and demands affection. Bold and saucy, it moves swiftly to avoid being stepped on. They are bold, fearless, and highly protective of their masters. They thrive on inordinate amounts of attention. The Chihuahua is by nature gentle, loving, and sweet-tempered. They are wary of strangers and make excellent watchdogs. This breed is not well suited for children or other pets. However, they are sociable with their own kind. Chihuahuas are excellent companions in the right circumstances.
Chihuahua's are strong-willed, intensely loyal and become very attached to their owners, even to the point of jealousy. They like to lick their owner's faces. It is undeniably suspicious of people except for its owner. When strangers are present, it follows its owner's every move, keeping as close as possible. For some, they may be slightly difficult to train, but they are intelligent, learn quickly, and respond well to proper, gentle (positive reinforcement) training. This breed may snap at teasing children, after all it is too tiny to get away. The Chihuahua must resort to his sharp teeth in self defense. It is not recommended for children. He can be noisy and may require patience to housebreak. Many owners simply paper train this breed. Be sure to socialize your Chihuahua as a pup to avoid excessive aggressiveness with other dogs as well as reserve with strangers. They tend to be fairly dog-aggressive. Chihuahuas generally recognize their own breed, but sometimes disapprove of other breeds.
The Chihuahua is an excellent companion and a highly devoted breed. Reserved when it comes to strangers, the Chihuahua makes a good watch dog. The Chihuahua is known as a stay-at-home dog and gets along well with other household pets.