Chow Chow vs Mastiff
A side-by-side comparison to help you find the right breed for your lifestyle.
Chow Chow
The Chow Chow is an ancient dog breed from China known for its distinctive lion-like mane, deep-set eyes, and unique blue-black tongue. Renowned for their aloof yet loyal nature, these dignified dogs often exhibit a strong sense of independence and a protective demeanor.
Large
Low
8-12 yrs
43-51 cm
Mastiff
Also known as: English Mastiff, Old English Mastiff
The Mastiff (English Mastiff) is a giant guardian breed of immense dignity, courage, and docility. With ancestors depicted in Assyrian bas-reliefs from 2500 BC, these ancient war dogs and estate guardians have been bred down to gentle family companions. But the reality of living with a dog that can exceed 200lbs is often romanticized - between the short 6-10 year lifespan, potential for bone cancer, and costs that dwarf most breeds, they're called a 'heartbreak breed' for good reason.
Extra Large
Low
6-10 yrs
70-76+ cm
70-104+ kg
Quick Comparison
| Trait | Chow Chow | Mastiff |
|---|---|---|
| Energy | ||
| Trainability | ||
| Grooming Needs | ||
| Family Friendly | ||
| Independence |
Key Characteristics
| Good with Kids | ||
| Good with Dogs | ||
| Good with Cats | ||
| Hypoallergenic | ||
| Apartment Friendly | ||
| First-Time Owner OK |
| Detail | Chow Chow | Mastiff |
|---|---|---|
| Size | Large | Extra Large |
| Energy Level | Low | Low |
| Grooming | High | High |
| Trainability | challenging | challenging |
| Barking Level | Low | Medium |
| Shedding Level | High | Medium |
| Chew strength | Hard | Hard |
| Housing | Apartment | Yard |
Owner Fit & Decision Guide
Owner Match
| Trait | Chow Chow | Mastiff |
|---|---|---|
| Experience Level | Experienced | Advanced |
| First-Time Owner | ||
| Ideal Owner | Active individual or family who can provide adequate exercise and training for a Chow Chow. | Experienced large breed owner with house and yard. Works from home or can be home most of the day. Financially prepared for $3,000+ annual costs and $5,000+ emergency fund. Physically able to manage 200lb dog. Psychologically prepared for 6-10 year lifespan and likely cancer diagnosis. |
Chow Chow Dealbreakers
- Cannot meet 45-65 min daily exercise
- Cannot tolerate heavy shedding
Mastiff Dealbreakers
- Apartment living (unless ground floor and extremely dedicated)
- Fastidious cleaners (drool/hair is unmanageable)
- Tight budget (one vet bill can bankrupt you)
- Physically frail owners (cannot hold 200lb dog on leash)
- Cannot emotionally handle short lifespan
Surrender Risk
| Factor | Chow Chow | Mastiff |
|---|---|---|
| Risk Level | Medium | Medium |
| Primary Reasons | Underestimated exercise needs, Behavioral challenges, Cost of care | 'Moving/Housing Restrictions' - landlords evict due to size/breed, Cost - giant breed vet bills shock unprepared owners, Cute puppy becomes 150lb adolescent they can't afford to feed or vet |
Temperament & Personality
Behavior Comparison
| Trait | Chow Chow | Mastiff |
|---|---|---|
| Prey Drive | ||
| Watchdog Ability | ||
| Stranger Friendly | ||
| Drool Level | ||
| Wanderlust |
Vocalization
| Trait | Chow Chow | Mastiff |
|---|---|---|
| Barking Level | Low | Medium |
| Howling Tendency | ||
| Whining Tendency | Low | Low |
| Separation Vocalization |
Safety & Reliability
| Trait | Chow Chow | Mastiff |
|---|---|---|
| Escape Artist | ||
| Dog Park Suitable | ||
| Off-Leash Reliable | ||
| Small Animal Safe | ||
| Leash Reactivity | ||
| Resource Guarding Risk | Low | Moderate |
Chow Chow Social Traits
Moderate
Selective
Mastiff Social Traits
High
Same-sex aggression can develop around 18-24 months. Socialization critical to prevent wariness becoming fear-aggression.
Training
Chow Chow
- ** Positive reinforcement is the only viable path. Harsh methods or physical correction will trigger defensive aggression or total shutdown [cite: 5, 6].
Mastiff
- Ask once, then lure/help them succeed
- Train for partnership, not just obedience
- Start leash manners EARLY before they're physically unmanageable
- Use high-value treats - they are food motivated
Chow Chow Considerations
The Chow Chow is frequently cited in insurance blacklists and dangerous dog legislation discussions due to a history of high-severity bite incidents. This aggression is typically territorial or protective rather than predatory toward humans, but the result is the same.
This breed has a well-documented intolerance for dogs of the same sex. This trait often emerges at sexual maturity (18-24 months) and may not be "trained out," requiring lifelong management and separation.
Unlike breeds that fawn over guests, the Chow Chow is naturally suspicious. Without intense, early socialization, this suspicion can escalate to snapping or biting when a stranger reaches to pet the "teddy bear".
Many Chows have a low tolerance for physical manipulation, making veterinary visits and grooming sessions dangerous without muzzle training and desensitization.
Mastiff Considerations
Average lifespan is only 6-10 years, with 8 being the median. Owners must be psychologically prepared to lose their companion just as they enter their senior years. Bone cancer is the leading cause of death.
Unlike eager-to-please breeds, Mastiffs often ask 'Why?' before complying. When they decide not to cooperate, they simply flatten themselves to the floor - physically unmanageable at 200lbs. Harsh training causes complete shutdown.
Mature Mastiffs can develop intolerance toward dogs of the same sex, typically emerging around 18-24 months. Difficult to manage due to sheer power differential between owner and dog.
$150-300/month for food alone. Insurance $100-200+/month. All medications priced by weight (3-4x cost of Labrador). A single emergency can exceed $5,000. If this would bankrupt you, do not get this breed.
Multi-Species Compatibility
| Species | Chow Chow | Mastiff |
|---|---|---|
| With Cats | Caution - may chase | Generally safe if raised together - low prey drive |
| Small Mammals | Supervision required | Generally safe - no terrier-like kill instinct |
| Birds / Reptiles | Caution advised | Generally neutral |
Advanced Behavior
| Trait | Chow Chow | Mastiff |
|---|---|---|
| Predatory Sequence Risk | Medium | Arrested |
| Biddability | Low | Low |
| Noise Sensitivity | Low | Low |
| Territorial Barking | ||
| Same-Sex Aggression Onset | 18 months | 18 months |
Mastiff: Predatory sequence arrested: Orient -> Eye -> (Stalk/Chase/Grab/Kill inhibited). They may chase out of territorial instinct but lack 'kill bite' of terriers. High adaptive intelligence (problem-solving), low working intelligence (obedience repetition). They work for partnership, not just kibble.
First Year & Life Stages
First Year Challenges
| Challenge | Chow Chow | Mastiff |
|---|---|---|
| Puppy Difficulty | ||
| Destructive Phase | 6-18 | 6-18 |
| House Training | Easy | Medium |
| Crate Training | Medium | Medium |
| Adolescent Regression |
Chow Chow: Chow Chow puppies require consistent training and patience.
Mastiff: Calmer than sporting/herding breeds but 6-month puppy can weigh 80lbs with baby brain. They are clumsy, mouthy, and accidentally knock over children/furniture. Teething Mastiff can chew through solid wood door frames. A rebellious 150lb teenager pulling on leash is a safety hazard.
Life Stages Timeline
| Stage | Chow Chow | Mastiff |
|---|---|---|
| Puppy Phase | 12 months | 18 months |
| Adolescence | 6-18 | 18-36 |
| Adult Years | 2-8 | 3-6 |
| Senior Onset | ~8 years | ~6 years |
| Peak Energy Age | 1-3 years | 1-2 years |
Size & Physical Characteristics
Physical Stats
| Measurement | Chow Chow | Mastiff |
|---|---|---|
| Height | 43-51 cm | 70-76+ cm |
| Weight | Not enough data yet | Not enough data yet |
| Size Category | Large | Extra Large |
| Lifespan | 8–12 years | 6–10 years |
| Litter Size | 4-8 | 8-10 |
Chow Chow Coat
Mastiff Coat
Lineage & Origin
| Detail | Chow Chow | Mastiff |
|---|---|---|
| Original Purpose | The Chow Chow is a basal breed, originating in Northern China/Mongolia over 2,000 years ago | War dogs, guardians, and hunters of large game (lions, bears, wolves). In England, estate guardians protecting from poachers. Job was to seize and hold intruders using sheer mass. |
| Origin | in Northern China/Mongolia over 2 | Ancient breed - ancestors depicted in Assyrian bas-reliefs from 2500 BC |
Breeding Details
| Detail | Chow Chow | Mastiff |
|---|---|---|
| C-Section Rate | Varies | High |
| Whelping Difficulty | Medium | High |
| Puppy Mortality Rate | Low | Moderate |
Physical Risks
| Risk | Chow Chow | Mastiff |
|---|---|---|
| Bloat / GDV Risk | Low | High |
| Slippery Floor Risk | Low | High |
| Min Fence Height | 1.5m | 1.8m |
| Dig / Escape Risk | Low | Low |
Health & Common Conditions
Chow Chow Health Issues
Mastiff Health Issues
Chow Chow Suggested Tests
- Ophthalmologist Evaluation
- Orthopedic Screening (OFA or PennHIP)
- Thyroid Panel
Mastiff Suggested Tests
- PRA (Progressive Retinal Atrophy)
- Cystinuria DNA test
- DM (Degenerative Myelopathy)
- OFA or PennHIP for hips and elbows
- Cardiac evaluation
Health Risk Overview
| Risk Factor | Chow Chow | Mastiff |
|---|---|---|
| Cancer Risk | Medium | Very High |
| Cardiac Risk | Low | Medium |
| Neurological Risk | Low | Low |
| CCL/ACL Tear Risk | Low | High |
| Vet Burden Tier | Medium | Very High |
Sensitivities & Allergies
| Sensitivity | Chow Chow | Mastiff |
|---|---|---|
| Skin Allergies | ||
| Environmental Allergies | ||
| Stomach Sensitivity | Low | Medium |
| Food Allergies |
Health Maintenance
| Care Item | Chow Chow | Mastiff |
|---|---|---|
| Nail Growth Rate | Normal | Fast |
| Eye Care Needs | Low | Medium |
| Anal Gland Issues | Occasional | Occasional |
Senior Care & Aging
Chow Chow Senior Care
Common Senior Issues
- Arthritis
- Vision decline
- Cognitive changes
Senior care varies by individual health.
Mastiff Senior Care
Common Senior Issues
- Bone cancer (osteosarcoma)
- Arthritis (almost guaranteed)
- Heart issues
Rapid decline often starts around 6 years. May need 'Help 'Em Up' harness to assist standing. Euthanasia at home recommended if possible - transporting non-ambulatory 200lb dog to vet clinic is physically impossible for most owners without stretcher and team.
Grooming & Care
Chow Chow
high maintenanceMastiff
high maintenanceLifestyle Compatibility
Chow Chow Daily Life
Mastiff Daily Life
Housing & Legal Restrictions
| Restriction | Chow Chow | Mastiff |
|---|---|---|
| BSL Restricted | ||
| Common Rental Ban | ||
| Insurance Blacklist | ||
| Weight Category | Under 50lbs | Over 50lbs |
Climate Tolerance
| Climate | Chow Chow | Mastiff |
|---|---|---|
| Heat Tolerance | ||
| Cold Tolerance | ||
| Water Affinity | Medium | Low |
Travel Compatibility
| Activity | Chow Chow | Mastiff |
|---|---|---|
| Car Travel | Good | Good |
| Camping | ||
| Beach Friendly | ||
| Hiking Rating | ||
| Cabin Flight Eligible | ||
| Hotel Friendly Size |
Niche Suitability
| Role | Chow Chow | Mastiff |
|---|---|---|
| Service Dog | Low | Low |
| Therapy Dog | Low | Medium |
| Deep Pressure Therapy | ||
| Canicross / Bikejoring | ||
| Apartment Adaptable | ||
| Tactile / Sensory Friendly | ||
| Livestock Guardian | ||
| Medical Alert | Low | Low |
Costs & Expenses
Upfront Costs
| Cost | Chow Chow | Mastiff |
|---|---|---|
| Purchase Price | N/A | $1,500-4,000 |
| Initial Cost Range | $1,000–$2,500 | $1,500–$4,000 |
| Cost Tier |
Ongoing Costs
| Cost | Chow Chow | Mastiff |
|---|---|---|
| Monthly Range | $150–$250 | $300–$600 |
| Yearly Range | $1,800–$3,000 | $3,600–$7,200 |
| Food / Month | N/A | $150-300 |
| Insurance / Month | $100-150 | $100-200+ |
| Grooming / Session | $100-150 | $75-125 |
| Vet Routine / Year | $100-150 | $450-600 |
| Monthly Cost Tier |
Chow Chow Lifetime Cost
N/A
Mastiff Lifetime Cost
$25,000-60,000
Quirks & Fun Facts
Daily Quirks
| Quirk | Chow Chow | Mastiff |
|---|---|---|
| Snoring | ||
| Flatulence | Occasional | Frequent |
| Slobber Level | Low | Heavy |
| Smell When Wet | Moderate | Strong |
| Zoomies Frequency | Occasional | Rare |
| Counter Surfing | ||
| Digging Tendency | Low | Low |
Mastiff Quirks
The Mastiff Lean
Will lean their full weight (up to 200lbs) against your legs. Fall risk for children and elderly.
Ceiling Slobber
Not just when eating - they shake heads and 'fling' slime. It will be on clothes, walls, and TV.
Passive Resistance
When they don't want to do something, they simply flatten to the floor. Physically impossible to move a 200lb dog that doesn't want to move.
Room-Clearing Gas
Flatulence is frequent and potent, often clearing a room.
Frequently Asked Questions
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Compare with Other Breeds
Based on comprehensive breed research data.