The Mastiff, often referred to as the English Mastiff, is one of the largest dog breeds in the world, both in height and weight. Descended from ancient war and guard dogs, today's Mastiff is a calm, loyal, and affectionate protector of its home and family.

Despite their intimidating appearance, Mastiffs are typically gentle, laid-back, and loving with their people. They’re known for being patient with children, although their sheer size means supervision is essential. Their protective instincts are strong, but they are rarely aggressive without cause.

Due to their size and strength, early socialization and consistent training are critical. These giants thrive in peaceful homes with enough space and owners who understand the needs of giant breeds.

• Origin: England

• Breed Group: Working

• Lifespan: 6–10 years

• Size: 27.5–32+ inches tall, 120–230+ pounds

• Coat Type: Short, dense, smooth

• Temperament: Calm, protective, affectionate, dignified

• Exercise Needs: Low to moderate – regular short walks

• Training Needs: Intelligent but can be stubborn

• Grooming Needs: Low – minimal shedding

• Health: Prone to bloat, joint issues, heart problems

Mastiffs are couch-loving protectors—calm and steady, yet incredibly watchful. They form deep bonds with their families and are especially known for being gentle giants with children when raised properly.

They’re not overly energetic and are usually content with a couple of short walks and some yard time. However, because of their size, even minor disobedience can be dangerous, so early training and control are essential.

Their loyalty is unmatched, and while they may be reserved with strangers, they are rarely reactive without reason. Apartment living is not ideal for a Mastiff—they need room to stretch and rest comfortably.