Called the "silent watchdog," this breed is nonetheless so mellow he makes a great apartment dog.
Height: 24 to 27 inches at shoulder Weight: 100 to 130 pounds Coat: short and dense Life span: 8 to 10 years Breed Group: Working Dogs
The Bullmastiff is a firm and fearless family guardian. While standoffish toward strangers he's got a soft spot for his loved ones. He has a short, easy-care coat, but he is a drooler.