The Tibetan mastiffs prefer to stay outside where he can look after his territory. (7/15) by Judy Powell September 19, 2020, 5:40 am Credit Judy Powell 0 Previous 7/15 Next View full list See more Previous article Be mindful the your small, cute teddy bear of a puppy will grow into a 75 to 160 pound dog. The Mastiff’s size makes him unsuited for apartment living. Next article Two Tibetan mastiffs together can take down a lion. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.