Here's some info on the Chihuahua......
Description: The Chihuahua is the smallest breed of dog in the world and was named after the state of Chihuahua in Mexico. He is a graceful, alert, swift-moving little dog with a saucy expression. Two distinct breed types, one with a long coat of soft texture, the other with a short coat. Identical otherwise, both can be whelped in the same litter. Adored for his small size, the Chihuahua is a bright eyed, dainty dog who is perfect for apartment living. Most breeders recommend adopting a Chihuahua puppy between the ages of 4 - 12 months as he will be more mature and agile and not so apt for injury.
Height: 6 - 9 inches
Weight: 2 - 6 lbs.
Colors: Any color or mixture.
Coat: Long: Long, soft to touch, slight waviness is permissible. Short: Short, dense, soft to touch.
Temperament: Bold, playful
With Children: Yes, If children are gentle.
With Pets: Yes, lives happily with others.
Special Skills: Family pet.
Watch-dog: Very High
Guard-dog: Very Low
Care and Training: Short haired should be brushed gently or wiped with a damp cloth. The long haired should be brushed daily with a soft bristle brush. Bathe only when necessary. Check ears regularly and keep nails trimmed. Should be socialized early. Minimal exercise is required.
Learning Rate: High
Activity: Moderate
Living Environment: Must live indoors, but enjoys outdoor activity
Health Issues: Eye problems, collapsing trachea and dislocating kneecaps.
Life Span: Well into teen years
Litter Size: 1 - 4
