Doberman Pinscher, Australian Cattle Dog/Blue Heeler Mix

Rocky is a sweet, social, 58-pound Dobie mix.  He has cropped ears and a docked tail, but he's somewhat smaller, stockier, and slightly more furred than a purebred Doberman.  Rocky is one of our favorites because of his even temperament and calm, quiet behavior.  He's never offered to tussle with any of our other dogs and probably would be fine for a family as well.  Rocky is 5 years old.