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Affenpinscher vs Bullmastiff

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

Toy
Affenpinscher breed photo

Affenpinscher

Also known as: Monkey Dog, Monkey Terrier, Diablotin Moustachu, Affie

AKCFCIKCUKC

The Affenpinscher is a small, toy-sized dog breed known for its distinctive "monkey-like" facial expression and playful, lively personality. Originally bred in Germany as a ratter, this breed is characterized by its wiry coat, sturdy build, and charming, mischievous demeanor. Despite their tiny size, they possess a terrier-like tenacity and fearless attitude that can surprise unprepared owners.

Size

Extra Small

Energy

Medium

Lifespan

12-15 yrs

Height

23-29 cm

Weight

3.2-4.5 kg

VS
Bullmastiff breed photo

Bullmastiff

AKCFCIKC

The Bullmastiff is a large, powerful, and loyal breed known for its protective nature and gentle temperament. Originally bred in England as a gamekeeper's companion to guard estates, this breed combines the strength of a Mastiff with the agility of a Bulldog.

Size

Extra Large

Energy

Medium

Lifespan

7-9 years yrs

Height

N/A

Quick Comparison

TraitAffenpinscherBullmastiff
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
DetailAffenpinscherBullmastiff
SizeExtra SmallExtra Large
Energy LevelMediumMedium
GroomingHighMedium
Trainabilitychallengingchallenging
Barking LevelHighLow
Shedding LevelLowMedium
HousingApartmentYard

Owner Fit & Decision Guide

Owner Match

TraitAffenpinscherBullmastiff
Experience LevelIntermediateExperienced
First-Time Owner
Ideal OwnerExperienced dog owner who understands terrier temperament and positive reinforcement training. Works from home or has flexible schedule. Patient with house training challenges. No young children or small pets.Active individual or family who can provide adequate exercise and training for a Bullmastiff.

Affenpinscher Dealbreakers

  • Children under 6 years old
  • Want a silent dog
  • Work 10+ hours away from home
  • Have pocket pets (hamsters, birds)

Bullmastiff Dealbreakers

  • Cannot meet 60-60 min daily exercise
  • Cannot commit to grooming needs

Surrender Risk

FactorAffenpinscherBullmastiff
Risk LevelMediumMedium
Primary ReasonsHouse training failure - owners underestimate toy breed difficulty, Snapping at childrenUnderestimated exercise needs, Behavioral challenges, Cost of care

Temperament & Personality

Behavior Comparison

TraitAffenpinscherBullmastiff
Prey Drive
Watchdog Ability
Stranger Friendly
Drool Level
Wanderlust

Vocalization

TraitAffenpinscherBullmastiff
Barking LevelHighLow
Howling Tendency
Whining TendencyMediumLow
Separation Vocalization
Affenpinscher bark triggers
StrangersNoisesBoredomOther dogs
Bullmastiff bark triggers
StrangersDoorbellsOther dogs

Safety & Reliability

TraitAffenpinscherBullmastiff
Escape Artist
Dog Park Suitable
Off-Leash Reliable
Small Animal Safe
Leash Reactivity
Resource Guarding RiskHighLow

Affenpinscher Social Traits

Velcro Dog
One Person Dog
Handling ToleranceLow
Stranger Wariness

High

With Other Dogs

Often prefer other Affenpinschers or small dogs; may be aggressive toward large dogs

Bullmastiff Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Moderate

With Other Dogs

Selective

Training

Affenpinscher

MethodPositive reinforcement with high-value rewards
Repetitions to Learn15-25
Challenges
Biddable only when it suits themBore easily with repetitionStrong sense of dignity - harsh correction causes shutdown
Tips
  • Keep sessions short (5 minutes) and novel
  • Use high-value rewards (liver, cheese)
  • Never use harsh correction - they will become defensive

Bullmastiff

MethodPositive reinforcement
Challenges
forced running or jogging on pavement until growth plates close (18–24 months).
Tips
  • ** Positive reinforcement is the only viable path. Harsh corrections often cause this breed to shut down or become defensive.

Affenpinscher Considerations

dealbreakerThe Napoleon Complex

Affenpinschers are fearless to a fault. They will challenge dogs ten times their size, which puts them at significant physical risk. This is not 'cuteness' - it is a genuine safety hazard requiring vigilant ownership.

dealbreakerResource Guarding

This breed is prone to guarding toys and food. Combined with their dislike of being manhandled, this makes them a poor choice for households with toddlers who might grab or startle them.

challengeHouse Training Difficulty

Like many toy breeds, the Affenpinscher can be notoriously difficult to housebreak. Their small bladders and independent streak mean accidents may persist well into adulthood if training is not strictly consistent.

challengeHandling Intolerance

They are generally not 'floppy' dogs that tolerate rough petting. They have a low threshold for physical annoyance and will defend their personal space.

Bullmastiff Considerations

challengeSame-Sex Aggression

This is a genetically rooted trait in many Bullmastiffs. While they may coexist peacefully with dogs of the opposite sex, placing two males or two females together often results in severe conflict once they reach social maturity (18–24 months). This aggression is rarely "cured" through training; it is managed.

challengeStubborn Independence

Bred to track and hold poachers silently without human direction, the Bullmastiff is an independent problem solver. They do not have the "will to please" of a Golden Retriever. If a command does not make sense to them, they will simply ignore it. This is often misinterpreted as stupidity; it is actually a refusal to perform rote tasks without high-value motivation.

challengeThe "Velcro" Guardian

While independent in thought, they are physically clingy. They will lean their 120-pound bodies against you, sit on your feet, and follow you from room to room. This constant physical presence can be overwhelming for owners who value personal space.

Multi-Species Compatibility

SpeciesAffenpinscherBullmastiff
With CatsCan coexist if raised together, but running cats may trigger chase responseGenerally safe with proper introduction
Small MammalsUnsafe - rodents are their historical target (rats, hamsters, gerbils, ferrets)Supervision required
Birds / ReptilesUnsafe - viewed as preyCaution advised

Advanced Behavior

TraitAffenpinscherBullmastiff
Predatory Sequence RiskFullMedium
BiddabilityLowLow
Noise SensitivityMediumLow
Territorial Barking
Same-Sex Aggression OnsetN/A18 months

Affenpinscher: Full predatory sequence intact (Eye-Stalk-Chase-Grab-Kill) - bred to kill rats. Smart problem solvers but do not live to please; ask 'What's in it for me?' Training must use high-value rewards; repetition bores them.

First Year & Life Stages

First Year Challenges

ChallengeAffenpinscherBullmastiff
Puppy Difficulty
Destructive Phase6-126-18
House TrainingHardModerate
Crate TrainingHighMedium
Adolescent Regression

Affenpinscher: Housebreaking is the primary hurdle. Teething and curiosity lead to chewing small objects. Crate training essential; expect accidents if schedules aren't rigid.

Bullmastiff: Bullmastiff puppies require consistent training and patience.

Life Stages Timeline

StageAffenpinscherBullmastiff
Puppy Phase12 months12 months
Adolescence6-126-18
Adult Years1-92-8
Senior Onset~10 years~8 years
Peak Energy Age1-3 years1-3 years

Size & Physical Characteristics

Physical Stats

MeasurementAffenpinscherBullmastiff
Height23-29 cmN/A
Weight3.2-4.5 kgN/A
Size CategoryExtra SmallExtra Large
Lifespan12-15 years7-9 years years
Litter Size1-34-8

Affenpinscher Coat

Typesingle
LengthMedium
Texturewiry
Colors
BlackGraySilverBlack and TanRedBelge

Bullmastiff Coat

Typedouble
LengthMedium
Texturestraight
Colors
Various

Lineage & Origin

DetailAffenpinscherBullmastiff
Original PurposeRatter - exterminating rodents in kitchens, granaries, and stablesDeveloped in mid-19th century England, the Bullmastiff was created by gamekeepers to combat poachers
OriginGermany, 17th centuryN/A

Breeding Details

DetailAffenpinscherBullmastiff
C-Section RateModerateVaries
Whelping DifficultyMediumMedium
Puppy Mortality RateHighLow

Physical Risks

RiskAffenpinscherBullmastiff
Bloat / GDV RiskLowLow
Slippery Floor RiskMediumLow
Min Fence Height1m1.5m
Dig / Escape RiskLowLow

Health & Common Conditions

Affenpinscher Health Issues

Patellar LuxationHigh risk in toy breeds
Hip Dysplasia15.3%
Legg-Calve-Perthes DiseaseOnset 4-12 months
Brachycephalic Obstructive Airway Syndrome (BOAS)Moderate risk
Eye Conditions (Corneal ulcers, cataracts)Moderate risk

Bullmastiff Health Issues

Lymphoma
Hip Dysplasia
Elbow Dysplasia
Gastric Dilatation-VolvulusBloat
Subaortic StenosisSAS

Affenpinscher Suggested Tests

  • Patella Evaluation (OFA)
  • Eye Examination (CAER)
  • Hip Evaluation (OFA)

Bullmastiff Suggested Tests

  • OFA/PennHIP for hip/elbow dysplasia
  • Echocardiogram for cardiac issues
  • CERF for eye conditions
  • Prophylactic gastropexy

Health Risk Overview

Risk FactorAffenpinscherBullmastiff
Cancer RiskLowMedium
Cardiac RiskLowLow
Neurological RiskLowLow
CCL/ACL Tear RiskLowLow
Vet Burden TierMediumMedium

Sensitivities & Allergies

SensitivityAffenpinscherBullmastiff
Skin Allergies
Environmental Allergies
Stomach SensitivityLowLow
Food Allergies

Health Maintenance

Care ItemAffenpinscherBullmastiff
Nail Growth RateNormalNormal
Eye Care NeedsHighLow
Anal Gland IssuesOccasionalOccasional

Senior Care & Aging

Affenpinscher Senior Care

Common Senior Issues

  • Cataracts causing blindness
  • Heart murmurs
  • Worsening luxating patellas
Mobility Aid LikelihoodMedium
QoL Decline Age~12 years
End of Life ComplexityMedium

Ramps for furniture are crucial to protect aging joints from impact. Generally long-lived for their size.

Bullmastiff 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

Affenpinscher

high maintenance
Coat Typesingle
Coat Lengthmedium
Coat Texturewiry
Shedding LevelLow
Seasonal SheddingLow
Ear Cleaningmonthly
Dental RiskHigh
Obesity Prone
Winter Gear Needed
Summer Restrictions
Paw Protection
Odor LevelLow
Tactile FeelWiry/Rough - not soft unless clipped (which ruins coat texture)
Colors
BlackGraySilverBlack and TanRedBelge

Bullmastiff

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

Lifestyle Compatibility

Affenpinscher Daily Life

Exercise Needs45-60 min/day
Alone TimeUp to 4h
Mental StimulationHigh
ApartmentSuitable - ideal for apartments if barking is managed
Work from HomeSuitable - will sleep under desk but may demand attention periodically and bark at delivery drivers
Weekend WarriorChallenging - not built for intense weekend hiking; prefer consistent moderate daily activity
HousingApartment
Barking LevelHigh
First-Time Owner
Exercise Types
Short sniff walksIndoor fetchPuzzle feedersTrick training
NighttimeMay sleep on bed or nearby; alert to noises
Food MotivationMedium

Bullmastiff Daily Life

Exercise Needs30-45 min/day
Alone TimeUp to 4h
Mental StimulationMedium
ApartmentChallenging - needs space
Work from HomeSuitable with adequate exercise
Weekend WarriorSuitable
HousingYard
Barking LevelLow
First-Time Owner
Exercise Types
WalkingPlayTraining
NighttimeSleeps well when exercised
Food MotivationMedium

Housing & Legal Restrictions

RestrictionAffenpinscherBullmastiff
BSL Restricted
Common Rental Ban
Insurance Blacklist
Weight CategoryUnder 25lbsUnder 50lbs

Climate Tolerance

ClimateAffenpinscherBullmastiff
Heat Tolerance
Cold Tolerance
Water AffinityLowMedium

Travel Compatibility

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

Niche Suitability

RoleAffenpinscherBullmastiff
Service DogNoneLow
Therapy DogLowLow
Deep Pressure Therapy
Canicross / Bikejoring
Apartment Adaptable
Tactile / Sensory Friendly
Livestock Guardian
Medical AlertNoneLow

Costs & Expenses

Upfront Costs

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

Ongoing Costs

CostAffenpinscherBullmastiff
Monthly Range$130–$220$180–$300
Yearly Range$1,560–$2,640$2,160–$3,600
Food / Month$30-50$100-150
Insurance / Month$40-70$80-150
Grooming / Session$60-100N/A
Vet Routine / Year$400-800$500-800
Monthly Cost Tier

Affenpinscher Lifetime Cost

$18,000-35,000

Bullmastiff Lifetime Cost

N/A

Quirks & Fun Facts

Daily Quirks

QuirkAffenpinscherBullmastiff
Snoring
FlatulenceRareOccasional
Slobber LevelNoneLow
Smell When WetMildModerate
Zoomies FrequencyWeeklyOccasional
Counter Surfing
Digging TendencyLowLow

Affenpinscher Quirks

Monkey Face

Their expression is their trademark. They often use their front paws like hands to manipulate toys.

The Affie Strut

They have a high-stepping, confident gait that is comical to watch.

Vocalization Variety

They make a variety of grumbles, yips, and 'talking' noises beyond standard barking.

Frequently Asked Questions

Affenpinschers are best for families with older children (10+). They do not tolerate the rough handling or erratic movement of toddlers and may snap if pushed. They are deeply loyal to their people but have a low threshold for physical annoyance.
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Compare with Other Breeds

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