Chihuahua vs Mastiff
Toy · Toy vs Working · Giant
ChihuahuaToy
A graceful, charming, sassy tiny dog of Mexican origin — the world's smallest breed, big in personality.
Weight: 6 lbsLifespan: 14–16 years
MastiffGiant
A courageous, dignified, good-natured giant — one of the most ancient breeds, formerly war dogs.
Weight: 160–230 lbsLifespan: 6–10 years
Quick take
- • Mastiff is the larger breed at 160–230 lbs (males) vs 6 lbs for the Chihuahua.
- • The Chihuahua typically lives longer (14–16 years).
- • The Chihuahua has higher daily energy needs.
- • The Chihuahua sheds less.
Side-by-side traits
| Trait | Chihuahua | Mastiff |
|---|---|---|
Group | Toy | Working |
Size | Toy | Giant |
Origin | Mexico | England |
Height (male) | 5–8" | 30" |
Height (female) | 5–8" | 27.5" |
Weight (male) | 6 lbs | 160–230 lbs |
Weight (female) | 6 lbs | 120–170 lbs |
Lifespan Average expected lifespan. | 14–16 years | 6–10 years |
Energy level Daily activity needs. | High (4/5) | Low (2/5) |
Trainability How quickly the breed learns commands. | Moderate (3/5) | 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. | Low (2/5) | Moderate (3/5) |
Grooming effort Brushing, bathing, professional grooming. | Low (2/5) | Very Low (1/5) |
Drooling Lower = drier face and furniture. | Very Low (1/5) | Very High (5/5) |
Barking How vocal the breed is. | Very High (5/5) | Low (2/5) |
Good with kids | Low (2/5) | High (4/5) |
Good with other dogs | Moderate (3/5) | Moderate (3/5) |
Good with strangers | Low (2/5) | Moderate (3/5) |
Protectiveness Watchdog tendencies. | High (4/5) | Very High (5/5) |
Adaptability Apartment / new environment tolerance. | Very High (5/5) | Moderate (3/5) |
Coat length | short | short |
Hypoallergenic Lower-shedding, less dander. | No | No |
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About the Chihuahua
The Chihuahua is a graceful, charming, sassy tiny dog of Mexican origin — the world's smallest breed, big in personality. Originally from Mexico, this toy toy breed typically weighs 6 lbs and lives 14–16 years. Breeders describe them as graceful, charming, sassy.
About the Mastiff
The Mastiff is a courageous, dignified, good-natured giant — one of the most ancient breeds, formerly war dogs. 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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Chihuahua health
Common health concerns reported in this breed:
- • Patellar luxation
- • Hydrocephalus
- • Heart disease
- • Dental issues
Mastiff health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Bloat
- • Heart disease
- • Cancer