American Foxhound vs Mastiff
A side-by-side comparison to help you find the right breed for your lifestyle.
American Foxhound
The American Foxhound is a spirited and friendly breed known for its loyalty and endurance, originally bred for hunting foxes in the United States. With its keen sense of smell and melodious bay, it excels in tracking and makes for a gentle and affectionate companion.
Large
High
11-13 years yrs
N/A
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 | American Foxhound | 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 | American Foxhound | Mastiff |
|---|---|---|
| Size | Large | Extra Large |
| Energy Level | High | Low |
| Grooming | Low | High |
| Trainability | challenging | challenging |
| Barking Level | High | Medium |
| Shedding Level | Medium | Medium |
| Housing | Acreage | Yard |
Owner Fit & Decision Guide
Owner Match
| Trait | American Foxhound | Mastiff |
|---|---|---|
| Experience Level | Experienced | Advanced |
| First-Time Owner | ||
| Ideal Owner | Active individual or family who can provide adequate exercise and training for a American Foxhound. | 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. |
American Foxhound Dealbreakers
- Cannot meet 90-120 min daily exercise
- Cannot commit to grooming needs
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 | American Foxhound | 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 | American Foxhound | Mastiff |
|---|---|---|
| Prey Drive | ||
| Watchdog Ability | ||
| Stranger Friendly | ||
| Drool Level | ||
| Wanderlust |
Vocalization
| Trait | American Foxhound | Mastiff |
|---|---|---|
| Barking Level | High | Medium |
| Howling Tendency | ||
| Whining Tendency | Low | Low |
| Separation Vocalization |
Safety & Reliability
| Trait | American Foxhound | Mastiff |
|---|---|---|
| Escape Artist | ||
| Dog Park Suitable | ||
| Off-Leash Reliable | ||
| Small Animal Safe | ||
| Leash Reactivity | ||
| Resource Guarding Risk | Low | Moderate |
American Foxhound Social Traits
Moderate
Generally friendly
Mastiff Social Traits
High
Same-sex aggression can develop around 18-24 months. Socialization critical to prevent wariness becoming fear-aggression.
Training
American Foxhound
- Keep training sessions short and varied
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
American Foxhound Considerations
The most significant behavioral hurdle is their selective hearing. When an American Foxhound catches a scent, their ears effectively turn off. This is not stubbornness in the human sense; it is a biological override. Recall (coming when called) is notoriously unreliable, making off-leash activity in unfenced areas a dangerous gamble.
This breed does not just bark; they "bay"—a loud, musical, carrying sound designed to be heard for miles across rolling hills. In a suburban neighborhood or apartment complex, this is a recipe for noise complaints and eviction notices. They often vocalize out of boredom or loneliness.
If a gate is left unlatched or a fence is too low, they will be gone. Their stamina allows them to travel miles before they even realize they have left home.
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 | American Foxhound | 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 | American Foxhound | 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 | American Foxhound | Mastiff |
|---|---|---|
| Puppy Difficulty | ||
| Destructive Phase | 6-18 | 6-18 |
| House Training | Moderate | Medium |
| Crate Training | Medium | Medium |
| Adolescent Regression |
American Foxhound: American Foxhound 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 | American Foxhound | 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 | American Foxhound | Mastiff |
|---|---|---|
| Height | N/A | 70-76+ cm |
| Weight | N/A | 70-104+ kg |
| Size Category | Large | Extra Large |
| Lifespan | 11-13 years years | 6-10 years |
| Litter Size | 4-8 | 8-10 |
American Foxhound Coat
Mastiff Coat
Lineage & Origin
| Detail | American Foxhound | Mastiff |
|---|---|---|
| Original Purpose | speed and competitive spirit | 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 | N/A | Ancient breed - ancestors depicted in Assyrian bas-reliefs from 2500 BC |
Breeding Details
| Detail | American Foxhound | Mastiff |
|---|---|---|
| C-Section Rate | Varies | High |
| Whelping Difficulty | Medium | High |
| Puppy Mortality Rate | Low | Moderate |
Physical Risks
| Risk | American Foxhound | 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
American Foxhound Health Issues
Mastiff Health Issues
American Foxhound Suggested Tests
- Thrombocytopathy Screening
- Hip Evaluation
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 | American Foxhound | 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 | American Foxhound | Mastiff |
|---|---|---|
| Skin Allergies | ||
| Environmental Allergies | ||
| Stomach Sensitivity | Low | Medium |
| Food Allergies |
Health Maintenance
| Care Item | American Foxhound | Mastiff |
|---|---|---|
| Nail Growth Rate | Normal | Fast |
| Eye Care Needs | Low | Medium |
| Anal Gland Issues | Occasional | Occasional |
Senior Care & Aging
American Foxhound 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
American Foxhound
low maintenanceMastiff
high maintenanceLifestyle Compatibility
American Foxhound Daily Life
Mastiff Daily Life
Housing & Legal Restrictions
| Restriction | American Foxhound | Mastiff |
|---|---|---|
| BSL Restricted | ||
| Common Rental Ban | ||
| Insurance Blacklist | ||
| Weight Category | Under 50lbs | Over 50lbs |
Climate Tolerance
| Climate | American Foxhound | Mastiff |
|---|---|---|
| Heat Tolerance | ||
| Cold Tolerance | ||
| Water Affinity | Medium | Low |
Travel Compatibility
| Activity | American Foxhound | Mastiff |
|---|---|---|
| Car Travel | Good | Good |
| Camping | ||
| Beach Friendly | ||
| Hiking Rating | ||
| Cabin Flight Eligible | ||
| Hotel Friendly Size |
Niche Suitability
| Role | American Foxhound | 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 | American Foxhound | 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 | American Foxhound | Mastiff |
|---|---|---|
| Monthly Range | $90–$150 | $300–$600 |
| Yearly Range | $1,080–$1,800 | $3,600–$7,200 |
| Food / Month | $60-90 | $150-300 |
| Insurance / Month | N/A | $100-200+ |
| Grooming / Session | N/A | $75-125 |
| Vet Routine / Year | N/A | $450-600 |
| Monthly Cost Tier |
American Foxhound Lifetime Cost
N/A
Mastiff Lifetime Cost
$25,000-60,000
Quirks & Fun Facts
Daily Quirks
| Quirk | American Foxhound | 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
Turn your dog into a brand deal.
Pet brands are looking for authentic creators — not celebrities. If you own a American Foxhound or Mastiff, you can get free products, gear, and exclusive perks just for sharing your dog's life on Instagram.
No followers minimum · Free to join
Compare with Other Breeds
Compare American Foxhound with:
Based on comprehensive breed research data.