The Doberman Pinscher is a tall, sleek and muscular dog that is best known for its role as a guard dog.
#1 They Are Classed as a Medium-Large Dog
#2 They Were Originally Bred as a Protection Dog
#3 They Are a Mix of Other Breeds
#4 They Often Have Docked Ears and Tails
Naturally, a Doberman Pinscher has floppy ears and a long tail. However, many Doberman Pinschers you will see have pointed ears and short tails.
Yes, if they are bred too big, it reduces their agility and ability to do the jobs they were bred to do.