English Mastiff vs Scottish Terrier

Working · Giant vs Terrier · Small

Quick take
  • English Mastiff is the larger breed at 160–230 lbs (males) vs 19–22 lbs for the Scottish Terrier.
  • The Scottish Terrier typically lives longer (12–15 years).
  • The Scottish Terrier has higher daily energy needs.
  • The Scottish Terrier sheds less.

Side-by-side traits

TraitEnglish MastiffScottish Terrier
Group
WorkingTerrier
Size
GiantSmall
Origin
EnglandScotland
Height (male)
30"10"
Height (female)
27.5"10"
Weight (male)
160–230 lbs19–22 lbs
Weight (female)
120–170 lbs18–21 lbs
Lifespan
Average expected lifespan.
6–10 years12–15 years
Energy level
Daily activity needs.
Low (2/5)Moderate (3/5)
Trainability
How quickly the breed learns commands.
Moderate (3/5)Moderate (3/5)
Intelligence
Problem-solving ability.
Moderate (3/5)High (4/5)
Exercise needs
Daily physical activity required.
Low (2/5)Moderate (3/5)
Shedding
Lower = less hair around your home.
Moderate (3/5)Very Low (1/5)
Grooming effort
Brushing, bathing, professional grooming.
Very Low (1/5)High (4/5)
Drooling
Lower = drier face and furniture.
Very High (5/5)Very Low (1/5)
Barking
How vocal the breed is.
Low (2/5)High (4/5)
Good with kids
High (4/5)Moderate (3/5)
Good with other dogs
Moderate (3/5)Low (2/5)
Good with strangers
Moderate (3/5)Moderate (3/5)
Protectiveness
Watchdog tendencies.
Very High (5/5)High (4/5)
Adaptability
Apartment / new environment tolerance.
Moderate (3/5)High (4/5)
Coat length
shortwirehaired
Hypoallergenic
Lower-shedding, less dander.
NoYes
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About the English Mastiff

The English Mastiff is a courageous, dignified, good-natured giant — the heaviest dog breed, ancient British war hounds. Originally from England, this giant working breed typically weighs 160–230 lbs and lives 6–10 years. Breeders describe them as courageous, dignified, good-natured.

About the Scottish Terrier

The Scottish Terrier is an independent, confident, spirited terrier from the Scottish Highlands — the original 'Scottie'. Originally from Scotland, this small terrier breed typically weighs 19–22 lbs and lives 12–15 years. Breeders describe them as confident, independent, spirited.

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English Mastiff health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Heart disease
  • Cancer

Scottish Terrier health

Common health concerns reported in this breed:

  • Scotty cramp
  • Von Willebrand's disease
  • Bladder cancer