The Affenpinscher is a small and spirited toy dog breed known for its distinctive monkey-like appearance, intelligence, and lively personality. These dogs typically weigh between 6 to 13 pounds and stand around 9 to 11.5 inches tall at the shoulder. The Affenpinscher has a compact and sturdy build, with a round head, short muzzle, and pronounced jaw. They have a harsh, wiry coat that comes in various shades of black, gray, silver, or red.