A Mastiff needs a spacious room where he can move freely, long walks, and a fairly large amount of food. (6/14) by Heather Vance October 29, 2020, 8:22 pm Credit Heather Vance 0 Previous 6/14 Next View full list See more Previous article Mastiffs are dominant, so it is not recommended to have a dog of this breed for an amateur dog breeder. Next article Dogs in flowers. Leave a Reply Cancel replyYour email address will not be published.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.