Dogs come in all shapes and sizes and medium-small dog breeds are not the smallest of dogs even if they can be considered to be quite small. Medium-small dog breeds tend to include those dog breeds with the greatest energy per weight. They also tend to be more muscular than smaller dogs.
For many dog owners medium-small dogs make the perfect pet because they are easy to manage when walking, and yet strong and active enough to play Frisbee in the park or in the back yard.
Here is a list of dog breeds that we consider to be medium small, dogs between 38 - 45 cm (15 - 18 inches) in height and in the weight range 9 - 18 kg (20 - 40 lbs).