American Mastiff is a breed of dog type mastiff originating in the United States created by Fredericka Wagner of the "Flying W Farms"  by means of the crossing of English Mastiff and Anatolian Shepherd. In 2000 the Continental Kennel Club recognises it as a pure breed of dog.
Height and weight
- Height: Females 28-34 inches. Males 32-36 inches
- Weight: Females 140-180 pounds. Males 160-200 pounds.
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Contrary to other big dog breeds, this breed adapts perfectly to living in an apartment. It still must be exercised daily, a good walk daily will do. A small back yard is also sufficient.