English Mastiff vs Welsh Terrier
Working · Giant vs Terrier · Small
English MastiffGiant
A courageous, dignified, good-natured giant — the heaviest dog breed, ancient British war hounds.
Weight: 160–230 lbsLifespan: 6–10 years
Welsh TerrierSmall
A spirited, friendly, intelligent Welsh otter and badger hunter — looks like a smaller Airedale.
Weight: 20 lbsLifespan: 12–15 years
Quick take
- • English Mastiff is the larger breed at 160–230 lbs (males) vs 20 lbs for the Welsh Terrier.
- • The Welsh Terrier typically lives longer (12–15 years).
- • The Welsh Terrier has higher daily energy needs.
- • The Welsh Terrier sheds less.
- • The Welsh Terrier is generally more trainable.
Side-by-side traits
| Trait | English Mastiff | Welsh Terrier |
|---|---|---|
Group | Working | Terrier |
Size | Giant | Small |
Origin | England | Wales |
Height (male) | 30" | 15–15.5" |
Height (female) | 27.5" | 15–15.5" |
Weight (male) | 160–230 lbs | 20 lbs |
Weight (female) | 120–170 lbs | 20 lbs |
Lifespan Average expected lifespan. | 6–10 years | 12–15 years |
Energy level Daily activity needs. | Low (2/5) | High (4/5) |
Trainability How quickly the breed learns commands. | Moderate (3/5) | High (4/5) |
Intelligence Problem-solving ability. | Moderate (3/5) | High (4/5) |
Exercise needs Daily physical activity required. | Low (2/5) | High (4/5) |
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) | High (4/5) |
Good with other dogs | Moderate (3/5) | Moderate (3/5) |
Good with strangers | Moderate (3/5) | Moderate (3/5) |
Protectiveness Watchdog tendencies. | Very High (5/5) | Moderate (3/5) |
Adaptability Apartment / new environment tolerance. | Moderate (3/5) | High (4/5) |
Coat length | short | wirehaired |
Hypoallergenic Lower-shedding, less dander. | No | Yes |
Ad slot · compare-mid
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 Welsh Terrier
The Welsh Terrier is a spirited, friendly, intelligent Welsh otter and badger hunter — looks like a smaller Airedale. Originally from Wales, this small terrier breed typically weighs 20 lbs and lives 12–15 years. Breeders describe them as spirited, friendly, intelligent.
Ad slot · compare-bottom
English Mastiff health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Bloat
- • Heart disease
- • Cancer
Welsh Terrier health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Eye disorders
- • Allergies