The Spanish Mastiff is a formidable and imposing breed from Spain, originally developed for guarding livestock. It has a massive, muscular build with a dense, weather-resistant coat that can be various shades of fawn, brindle, or black. Known for its calm and gentle temperament, the Spanish Mastiff is protective and loyal, making it an excellent guardian of both family and property. Despite its size and strength, it is generally patient and good-natured, especially with children and other animals. Regular exercise is important to maintain its health, but it is known for its relaxed demeanor when not working.