Mastiff
The Mastiff is one of the largest dog breeds in the world, widely known as a 'gentle giant' for its calm, good-natured temperament and deep loyalty to its family. Despite its massive size, the breed has low energy needs and is content to spend much of the day lounging indoors. The Mastiff is a formidable yet docile guardian that requires ample space, early socialization, and consistent training.
Weight
54–104 kg
Height at withers
70–76 cm
Life expectancy
6–10 years
Size
giant
Activity
low
Shedding
moderate
Barking tendency
low
Apartment friendly
Not recommended for apartment living due to giant size, heavy drooling, and need for ample space; best suited to a spacious home with a securely fenced yard
Care
Brush coat weekly (more during shedding seasons), clean facial wrinkles and jowls after meals, trim nails every 3–4 weeks, feed on a schedule with measured portions to prevent bloat, avoid strenuous exercise in the first two years, provide a soft sleeping surface
Health
Hip and elbow dysplasia, gastric dilatation-volvulus (GDV/bloat), cancer (especially osteosarcoma and lymphosarcoma), degenerative myelopathy, epilepsy, heart disease, eye conditions
Coat
Short, dense
Travel
Mastiffs are poorly suited for air travel due to their size and heat sensitivity; for road trips use a well-ventilated XXL travel crate and stop every 2–3 hours; feed at least 2–3 hours before travel to reduce bloat risk; monitor temperature closely as the breed is heat-sensitive
Carrier size
Due to the Mastiff's giant size, standard pet carriers are unsuitable; transport requires an XXL dog crate or vehicle-rated travel crate
Harness size
XXL harness (typical chest girth 90–130 cm); choose a heavy-duty model rated for giant breeds with reinforced attachment points
Leash
Heavy-duty 1.2–1.8 m leash with reinforced hardware; nylon or biothane webbing at least 2.5 cm wide recommended; a training long-line may be useful for recall work
Airline cabin travel
usually not
This breed guide is always at hand in the Hani Walk app — along with the walk tracker, digital pet passport and vaccination reminders.
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