About chihuahua :

Vital Statistics:

* Life span: 12-15 years
* Adult weight: 2-6 pounds
* Adult height: 6- 9 inches
Pros:

* Has special affinity for the elderly
* Needs love and much lap-sitting
* Makes a good watchdog
* Requires little maintenance, just occasional brushing, and minimal exercise

Cons:

* Beware of pranksters who yell “a rat”
* May be snappy and obstinate and difficult to housebreak
* Has been overbred which creates health and behavior problems – buy only from a reputable breeder
* Small size means you must protect him but not to the point you create a frightened, nervous dog (and the need for visits to
the doggy therapist)