The Bullmastiff is indeed a massive and powerful breed with distinct physical characteristics and a unique temperament. Here’s a summary of the key points about Bullmastiffs:

Physical Characteristics:

• Size: Males typically stand 25 – 27 inches (63 – 69 cm) tall, and females are around 24 – 26 inches (61 – 66 cm) tall.
• Weight: Males usually weigh between 110 – 133 pounds (50 – 60 kg), while females range from 100 – 120 pounds (45 – 54 kg).
• Head: The Bullmastiff has a broad, wrinkled skull, a broad and deep muzzle, and a moderate stop. The nose is black and wide with large nostrils.
• Eyes: Medium-sized, dark hazel eyes.
• Ears: V-shaped and set high and wide on the head, giving a square appearance.
• Tail: Strong and set high, thicker at the base and tapering. It can be straight or curved and reaches the hocks.
• Coat: The coat is short, dense, and slightly rough, and it comes in brindle, fawn, or red with black markings on the head.

Temperament:

• Bullmastiffs are devoted and alert guard dogs.
• They have a good-natured temperament, are docile, and affectionate.
• They are fearless when provoked and will defend their family and home.
• Bullmastiffs are tolerant of children and can be excellent family dogs.
• They are intelligent, even-tempered, calm, and loyal.
• They require a firm and confident owner who can provide consistent rules and training.
• Proper socialization with people and other dogs is essential.
• Bullmastiffs may be dominant and require assertive but not harsh handling.
• They are sensitive to the tone of their owner’s voice.

Health Considerations:

• Bullmastiffs are prone to various health issues, including cancer, hip dysplasia, tumors, eyelid problems, PRA (Progressive Retinal Atrophy), and boils on the lips.
• They are also susceptible to bloat, so it’s recommended to feed them two or three small meals a day to prevent this condition.

Living Conditions:

• Bullmastiffs can adapt to apartment living if adequately exercised.
• They are relatively inactive indoors but should have access to a small yard.
• They are sensitive to extreme temperatures and should not be exposed to very hot or very cold conditions.

Exercise Needs:

• Daily walks are essential to fulfill their need for exercise and mental stimulation.
• They should be taught to heel beside or behind the person holding the lead.
• Exercise helps prevent behavior issues in Bullmastiffs.

Life Expectancy:

• Bullmastiffs typically have a life expectancy of under 10 years.

Grooming:

• Their short, slightly rough coat is easy to groom.
• Regular brushing with a firm bristle brush is sufficient.
• Shampooing should only be done when necessary.
• Bullmastiffs do not shed excessively.
• Regularly check and trim their nails.

In summary, Bullmastiffs are powerful, loyal, and protective dogs that require a confident owner who can provide them with proper training and socialization. They make excellent guard dogs and family pets when properly cared for.