"...All dogs can become aggressive, but the difference between an aggressive Chihuahua and an aggressive pit bull is that the pit bull can do more damage. That's why it's important to make sure you are a hundred percent ready for the responsibility if you own a 'power' breed, like a pit bull, German shepherd, or Rottweiler...."
Dogs
by Arthur Conan Doyle
"...A dog reflects the family life. Whoever saw a frisky dog in a gloomy family, or a sad dog in a happy one? Snarling people have snarling dogs, dangerous people have dangerous ones...."
Random Facts :
Chihuahua's
Soft Spot
They have a “soft spot.†One unique Chihuahua fact is that, similar to newborn humans, these precious pups have a soft spot on the top of their skulls known as a molera.
Chihuahua's
Coat
Chis can be born with either short or long coats. This variation in coat type is a unique fact about Chihuahuas. The short-haired Chi requires little grooming but will need a wardrobe to help protect her from catching chill. The long-haired Chi does need regular brushing to keep her coat free of mats and tangles.