The bullmastiff is a large and powerful dog breed originally developed in England as a guard dog. These dogs are characterized by their muscular build, short coat, and a distinctive wrinkled face. Despite their imposing appearance, they are typically gentle and affectionate with their families but can be reserved around strangers.nnSpecifications:nnThe upper canines exhibit natural wear and discolorationnAll teeth are presentnExhibits signs of mild periodontal diseasenSkull Length 21.8 cm (8.6 in.)nSkull Width 13.3 cm (5.2 in.)nSkull Height 11.7 cm (4.6 in.)