Bullmastiff vs Cavalier King Charles Spaniel
Working · Large vs Toy · Small
BullmastiffLarge
An affectionate, loyal, brave gamekeeper's night dog — Mastiff-Bulldog cross bred to subdue poachers.
Weight: 110–130 lbsLifespan: 7–9 years
Cavalier King Charles SpanielSmall
An affectionate, gentle, graceful spaniel — bred as a lapdog companion to British royalty.
Weight: 13–18 lbsLifespan: 12–15 years
Quick take
- • Bullmastiff is the larger breed at 110–130 lbs (males) vs 13–18 lbs for the Cavalier King Charles Spaniel.
- • The Cavalier King Charles Spaniel typically lives longer (12–15 years).
- • The Bullmastiff sheds less.
Side-by-side traits
| Trait | Bullmastiff | Cavalier King Charles Spaniel |
|---|---|---|
Group | Working | Toy |
Size | Large | Small |
Origin | England | England |
Height (male) | 25–27" | 12–13" |
Height (female) | 24–26" | 12–13" |
Weight (male) | 110–130 lbs | 13–18 lbs |
Weight (female) | 100–120 lbs | 13–18 lbs |
Lifespan Average expected lifespan. | 7–9 years | 12–15 years |
Energy level Daily activity needs. | Moderate (3/5) | Moderate (3/5) |
Trainability How quickly the breed learns commands. | High (4/5) | High (4/5) |
Intelligence Problem-solving ability. | High (4/5) | High (4/5) |
Exercise needs Daily physical activity required. | Moderate (3/5) | Moderate (3/5) |
Shedding Lower = less hair around your home. | Low (2/5) | Moderate (3/5) |
Grooming effort Brushing, bathing, professional grooming. | Very Low (1/5) | Moderate (3/5) |
Drooling Lower = drier face and furniture. | Very High (5/5) | Very Low (1/5) |
Barking How vocal the breed is. | Low (2/5) | Low (2/5) |
Good with kids | High (4/5) | Very High (5/5) |
Good with other dogs | Moderate (3/5) | Very High (5/5) |
Good with strangers | Moderate (3/5) | Very High (5/5) |
Protectiveness Watchdog tendencies. | Very High (5/5) | Very Low (1/5) |
Adaptability Apartment / new environment tolerance. | Moderate (3/5) | Very High (5/5) |
Coat length | short | medium |
Hypoallergenic Lower-shedding, less dander. | No | No |
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About the Bullmastiff
The Bullmastiff is an affectionate, loyal, brave gamekeeper's night dog — Mastiff-Bulldog cross bred to subdue poachers. Originally from England, this large working breed typically weighs 110–130 lbs and lives 7–9 years. Breeders describe them as affectionate, loyal, brave.
About the Cavalier King Charles Spaniel
The Cavalier King Charles Spaniel is an affectionate, gentle, graceful spaniel — bred as a lapdog companion to British royalty. Originally from England, this small toy breed typically weighs 13–18 lbs and lives 12–15 years. Breeders describe them as affectionate, gentle, graceful.
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Bullmastiff health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Bloat
- • Cancer
- • Heart problems
Cavalier King Charles Spaniel health
Common health concerns reported in this breed:
- • Mitral valve disease
- • Syringomyelia
- • Hip dysplasia
- • Eye problems