Dachshund - Mini puppies and dogs come in three varieties: Smooth, Wire-Haired, and Long-Haired. The Smooth variety is sleek and short. The Wire-Haired variety is a double coat. The outer coat is short and hard, the under coat is soft and fine. The Long-Haired variety is elegant, glistening, slightly wavy, and is longer on the neck, chest, underside of the body, and behind the legs.