Skip to content

Mastiff vs Pomsky

A side-by-side comparison to help you find the right breed for your lifestyle.

Working
Mastiff breed photo

Mastiff

Also known as: English Mastiff, Old English Mastiff

AKCFCIKCUKC

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.

Size

Extra Large

Energy

Low

Lifespan

6-10 yrs

Height

70-76+ cm

Weight

70-104+ kg

VS
Pomsky breed photo

Pomsky

AKCFCIKC

The Pomsky has taken the internet by storm with its adorable combination of Husky beauty in a smaller package. This designer breed crosses a Siberian Husky with a Pomeranian, typically through artificial insemination due to size differences. Pomskies inherit the striking blue eyes and wolf-like features of Huskies while remaining manageable in size, making them popular with those who love the Husky look but can't accommodate a large breed.

Size

Medium

Energy

High

Lifespan

10-12 yrs

Height

N/A

Quick Comparison

TraitMastiffPomsky
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
DetailMastiffPomsky
SizeExtra LargeMedium
Energy LevelLowHigh
GroomingHighHigh
Trainabilitychallengingchallenging
Barking LevelMediumHigh
Shedding LevelMediumHigh
Chew strengthHardN/A
HousingYardYard

Owner Fit & Decision Guide

Owner Match

TraitMastiffPomsky
Experience LevelAdvancedExperienced
First-Time Owner
Ideal OwnerExperienced 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.Active individual or family who can provide adequate exercise and training for a Pomsky.

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

Pomsky Dealbreakers

  • Cannot meet 60-90 min daily exercise
  • Cannot tolerate heavy shedding

Surrender Risk

FactorMastiffPomsky
Risk LevelMediumMedium
Primary Reasons'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 vetUnderestimated exercise needs, Behavioral challenges, Cost of care

Temperament & Personality

Behavior Comparison

TraitMastiffPomsky
Prey Drive
Watchdog Ability
Stranger Friendly
Drool Level
Wanderlust

Vocalization

TraitMastiffPomsky
Barking LevelMediumHigh
Howling Tendency
Whining TendencyLowLow
Separation Vocalization
Mastiff bark triggers
Strangers approaching propertyUnusual sounds
Pomsky bark triggers
StrangersDoorbellsOther dogs

Safety & Reliability

TraitMastiffPomsky
Escape Artist
Dog Park Suitable
Off-Leash Reliable
Small Animal Safe
Leash Reactivity
Resource Guarding RiskModerateLow

Mastiff Social Traits

Velcro Dog
One Person Dog
Handling ToleranceHigh
Stranger Wariness

High

With Other Dogs

Same-sex aggression can develop around 18-24 months. Socialization critical to prevent wariness becoming fear-aggression.

Pomsky Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Moderate

With Other Dogs

Generally friendly

Training

Mastiff

MethodPositive reinforcement ONLY - emotionally sensitive, yelling causes fear or defensiveness
Repetitions to Learn15-25
Challenges
Slow processing - need time to process commands, not rapid-fire learners'Nagging' - if you repeat command 10 times without result, you're training them to ignore youPassive resistance - they flatten to the floor when they don't want to comply
Tips
  • 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

Pomsky

MethodPositive reinforcement
Challenges
** They bore easily. Repetitive drills (like sit-stay x 20) will cause them to disengage or "talk back." Keep sessions short (5 mins) and high-value.** "Small Dog Syndrome." Owners often tolerate jumping/nipping in Pomskies because they are cute/small, leading to unmanageable adult dogs.
Tips
  • ** Positive reinforcement only. Harsh methods trigger Husky stubbornness and Pomeranian defensiveness.

Mastiff Considerations

dealbreakerThe Heartbreak Lifespan

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.

challengeStubbornness & Passive Resistance

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.

challengeSame-Sex Aggression

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.

dealbreakerGiant Breed Financial Burden

$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.

Pomsky Considerations

challengeThe "Small Dog" Syndrome with "Big Dog" Drive

Pomskies often inherit the Pomeranian's "watchdog" alertness combined with the Husky's intense prey drive and independence. This can manifest as a dog that is hyper-alert to stimuli, prone to "yapping" at neighbors, yet powerful enough to destroy furniture if under-stimulated.

challengeSeparation Anxiety & Vocalization

Both parent breeds are pack-oriented (Huskies) or companion-oriented (Poms). Left alone, Pomskies are notorious for severe separation anxiety. This is not a silent sufferer; they express distress through the Husky "scream," howling, and destructive chewing.

challengeThe "Spitz" Stubbornness

This breed scores low on biddability. They often refuse commands unless there is a clear, high-value incentive ("What's in it for me?"). They are not eager-to-please like a Golden Retriever.

challengeEscape Artistry

Inheriting the Husky's wanderlust and digging capability, Pomskies are known to scale fences, dig under barriers, and bolt through open doors. Their recall is notoriously unreliable.

Multi-Species Compatibility

SpeciesMastiffPomsky
With CatsGenerally safe if raised together - low prey driveCaution - may chase
Small MammalsGenerally safe - no terrier-like kill instinctSupervision required
Birds / ReptilesGenerally neutralCaution advised

Advanced Behavior

TraitMastiffPomsky
Predatory Sequence RiskArrestedMedium
BiddabilityLowLow
Noise SensitivityLowLow
Territorial Barking
Same-Sex Aggression Onset18 months18 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

ChallengeMastiffPomsky
Puppy Difficulty
Destructive Phase6-186-18
House TrainingMediumModerate
Crate TrainingMediumMedium
Adolescent Regression

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.

Pomsky: Pomsky puppies require consistent training and patience.

Life Stages Timeline

StageMastiffPomsky
Puppy Phase18 months12 months
Adolescence18-366-18
Adult Years3-62-8
Senior Onset~6 years~8 years
Peak Energy Age1-2 years1-3 years

Size & Physical Characteristics

Physical Stats

MeasurementMastiffPomsky
Height70-76+ cmN/A
WeightNot enough data yetNot enough data yet
Size CategoryExtra LargeMedium
Lifespan

6–10 years

10–12 years

Litter Size8-104-8

Mastiff Coat

Type double
Length Short
Texture coarse
Colors
FawnApricotBrindle

Pomsky Coat

Type double
Length Medium
Texture straight
Colors
Various

Lineage & Origin

DetailMastiffPomsky
Original PurposeWar 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.* Siberian Husky: Endurance sled pulling, pack living, high prey drive, independent decision makin
OriginAncient breed - ancestors depicted in Assyrian bas-reliefs from 2500 BCN/A

Breeding Details

DetailMastiffPomsky
C-Section RateHighVaries
Whelping DifficultyHighMedium
Puppy Mortality RateModerateLow

Physical Risks

RiskMastiffPomsky
Bloat / GDV RiskHighLow
Slippery Floor RiskHighLow
Min Fence Height1.8m1.5m
Dig / Escape RiskLowLow

Health & Common Conditions

Mastiff Health Issues

Osteosarcoma (Bone Cancer)Leading cause of death
Gastric Dilatation-Volvulus (Bloat/GDV)High Risk
Hip Dysplasia19.4%
Elbow Dysplasia14.5%
Cystinuria (Type III)Common

Pomsky Health Issues

Patellar LuxationSlipping Kneecap
Hip Dysplasia
Collapsing Trachea
Eye DefectsJuvenile Cataracts & PRA
Allergies & Skin Issues

Mastiff Suggested Tests

  • PRA (Progressive Retinal Atrophy)
  • Cystinuria DNA test
  • DM (Degenerative Myelopathy)
  • OFA or PennHIP for hips and elbows
  • Cardiac evaluation

Pomsky Suggested Tests

  • OFA testing of parents
  • Annual CAER exams

Health Risk Overview

Risk FactorMastiffPomsky
Cancer RiskVery HighMedium
Cardiac RiskMediumLow
Neurological RiskLowLow
CCL/ACL Tear RiskHighLow
Vet Burden TierVery HighMedium

Sensitivities & Allergies

SensitivityMastiffPomsky
Skin Allergies
Environmental Allergies
Stomach SensitivityMediumLow
Food Allergies

Health Maintenance

Care ItemMastiffPomsky
Nail Growth RateFastNormal
Eye Care NeedsMediumLow
Anal Gland IssuesOccasionalOccasional

Senior Care & Aging

Mastiff Senior Care

Common Senior Issues

  • Bone cancer (osteosarcoma)
  • Arthritis (almost guaranteed)
  • Heart issues
Mobility Aid LikelihoodHigh
QoL Decline Age~7 years
End of Life ComplexityVery High

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.

Pomsky Senior Care

Common Senior Issues

  • Arthritis
  • Vision decline
  • Cognitive changes
Mobility Aid LikelihoodMedium
QoL Decline Age~10 years
End of Life ComplexityMedium

Senior care varies by individual health.

Grooming & Care

Mastiff

high maintenance
Coat Typedouble
Coat Lengthshort
Coat Texturecoarse
Shedding LevelMedium
Seasonal SheddingModerate
Ear Cleaningweekly
Dental RiskMedium
Obesity Prone
Winter Gear Needed
Summer Restrictions
Paw Protection
Odor LevelStrong
Tactile FeelCoat is coarse, not silky. Skin is loose and rolling.
Colors
FawnApricotBrindle

Pomsky

high maintenance
Coat Typedouble
Coat Lengthmedium
Coat Texturestraight
Shedding LevelHigh
Seasonal SheddingHigh
Ear Cleaningweekly
Dental RiskMedium
Obesity Prone
Winter Gear Needed
Summer Restrictions
Paw Protection
Odor LevelModerate
Tactile FeelVaries by coat type
Colors
Various

Lifestyle Compatibility

Mastiff Daily Life

Exercise Needs45-60 min/day
Alone TimeUp to 5h
Mental StimulationMedium
ApartmentDifficult - size makes them tripping hazard. If elevator-phobic, you cannot carry them. Ground floor only if attempting.
Work from HomeExcellent - usually sleeping under/near desk. However, snoring may disrupt Zoom calls.
Weekend WarriorNo - cannot handle sedentary week followed by 10-mile hike. Recipe for bloat, heatstroke, or joint tears.
HousingYard
Barking LevelMedium
First-Time Owner
Exercise Types
Gentle sniffari walksShort strollsMental stimulation via food puzzles
NighttimeHeavy snorers - if you're a light sleeper, they cannot be in your bedroom
Food MotivationHigh

Pomsky Daily Life

Exercise Needs60-90 min/day
Alone TimeUp to 4h
Mental StimulationHigh
ApartmentChallenging - needs space
Work from HomeSuitable with adequate exercise
Weekend WarriorSuitable
HousingYard
Barking LevelHigh
First-Time Owner
Exercise Types
WalkingPlayTraining
NighttimeSleeps well when exercised
Food MotivationMedium

Housing & Legal Restrictions

RestrictionMastiffPomsky
BSL Restricted
Common Rental Ban
Insurance Blacklist
Weight CategoryOver 50lbsUnder 50lbs

Climate Tolerance

ClimateMastiffPomsky
Heat Tolerance
Cold Tolerance
Water AffinityLowMedium

Travel Compatibility

ActivityMastiffPomsky
Car TravelGoodGood
Camping
Beach Friendly
Hiking Rating
Cabin Flight Eligible
Hotel Friendly Size

Niche Suitability

RoleMastiffPomsky
Service DogLowLow
Therapy DogMediumLow
Deep Pressure Therapy
Canicross / Bikejoring
Apartment Adaptable
Tactile / Sensory Friendly
Livestock Guardian
Medical AlertLowLow

Costs & Expenses

Upfront Costs

CostMastiffPomsky
Purchase Price$1,500-4,000N/A
Initial Cost Range$1,500–$4,000$1,000–$2,500
Cost Tier

Ongoing Costs

CostMastiffPomsky
Monthly Range$300–$600$80–$130
Yearly Range$3,600–$7,200$960–$1,560
Food / Month$150-300$40-60
Insurance / Month$100-200+$40-70
Grooming / Session$75-125$60-100
Vet Routine / Year$450-600$500-1
Monthly Cost Tier

Mastiff Lifetime Cost

$25,000-60,000

Pomsky Lifetime Cost

N/A

Quirks & Fun Facts

Daily Quirks

QuirkMastiffPomsky
Snoring
FlatulenceFrequentOccasional
Slobber LevelHeavyLow
Smell When WetStrongModerate
Zoomies FrequencyRareOccasional
Counter Surfing
Digging TendencyLowLow

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

Males can exceed 230lbs (104kg) and stand 30+ inches at the shoulder; females are slightly smaller but still giant. They are among the heaviest dog breeds in the world.
For Mastiff & Pomsky owners

Turn your dog into a brand deal.

Pet brands are looking for authentic creators — not celebrities. If you own a Mastiff or Pomsky, you can get free products, gear, and exclusive perks just for sharing your dog's life on Instagram.

Apply for free

No followers minimum · Free to join

Compare with Other Breeds

Based on comprehensive breed research data.

View Mastiff profile·View Pomsky profile