Cavalier King Charles Spaniel vs English Mastiff
Toy · Small vs Working · Giant
Cavalier King Charles SpanielSmall
An affectionate, gentle, graceful spaniel — bred as a lapdog companion to British royalty.
Weight: 13–18 lbsLifespan: 12–15 years
English MastiffGiant
A courageous, dignified, good-natured giant — the heaviest dog breed, ancient British war hounds.
Weight: 160–230 lbsLifespan: 6–10 years
Quick take
- • English Mastiff is the larger breed at 160–230 lbs (males) vs 13–18 lbs for the Cavalier King Charles Spaniel.
- • The Cavalier King Charles Spaniel typically lives longer (12–15 years).
- • The Cavalier King Charles Spaniel has higher daily energy needs.
- • The Cavalier King Charles Spaniel is generally more trainable.
Side-by-side traits
| Trait | Cavalier King Charles Spaniel | English Mastiff |
|---|---|---|
Group | Toy | Working |
Size | Small | Giant |
Origin | England | England |
Height (male) | 12–13" | 30" |
Height (female) | 12–13" | 27.5" |
Weight (male) | 13–18 lbs | 160–230 lbs |
Weight (female) | 13–18 lbs | 120–170 lbs |
Lifespan Average expected lifespan. | 12–15 years | 6–10 years |
Energy level Daily activity needs. | Moderate (3/5) | Low (2/5) |
Trainability How quickly the breed learns commands. | High (4/5) | Moderate (3/5) |
Intelligence Problem-solving ability. | High (4/5) | Moderate (3/5) |
Exercise needs Daily physical activity required. | Moderate (3/5) | Low (2/5) |
Shedding Lower = less hair around your home. | Moderate (3/5) | Moderate (3/5) |
Grooming effort Brushing, bathing, professional grooming. | Moderate (3/5) | Very Low (1/5) |
Drooling Lower = drier face and furniture. | Very Low (1/5) | Very High (5/5) |
Barking How vocal the breed is. | Low (2/5) | Low (2/5) |
Good with kids | Very High (5/5) | High (4/5) |
Good with other dogs | Very High (5/5) | Moderate (3/5) |
Good with strangers | Very High (5/5) | Moderate (3/5) |
Protectiveness Watchdog tendencies. | Very Low (1/5) | Very High (5/5) |
Adaptability Apartment / new environment tolerance. | Very High (5/5) | Moderate (3/5) |
Coat length | medium | short |
Hypoallergenic Lower-shedding, less dander. | No | No |
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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.
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.
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Cavalier King Charles Spaniel health
Common health concerns reported in this breed:
- • Mitral valve disease
- • Syringomyelia
- • Hip dysplasia
- • Eye problems
English Mastiff health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Bloat
- • Heart disease
- • Cancer