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

Bullmastiff
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.
Extra Large
Medium
7-9 years yrs
N/A

Golden Retriever
Also known as: Golden, Goldie, Yellow Retriever
The Golden Retriever is a friendly and intelligent dog breed known for its gentle temperament and striking golden coat. Originally bred for retrieving game, they are highly trainable and make excellent family pets due to their affectionate nature and loyalty.
Large
High
10-12 yrs
55-61 cm
Quick Comparison
| Trait | Bullmastiff | Golden Retriever |
|---|---|---|
| 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 | Bullmastiff | Golden Retriever |
|---|---|---|
| Size | Extra Large | Large |
| Energy Level | Medium | High |
| Grooming | Medium | Medium |
| Trainability | challenging | Easy |
| Barking Level | Low | Medium |
| Shedding Level | Medium | High |
| Housing | Yard | Yard |
Owner Fit & Decision Guide
Owner Match
| Trait | Bullmastiff | Golden Retriever |
|---|---|---|
| Experience Level | Experienced | Beginner |
| First-Time Owner | ||
| Ideal Owner | Active individual or family who can provide adequate exercise and training for a Bullmastiff. | Active individual or family with time for daily exercise and grooming. Works from home or can provide midday breaks. Tolerant of shedding and muddy paws. |
Bullmastiff Dealbreakers
- Cannot meet 60-60 min daily exercise
- Cannot commit to grooming needs
Golden Retriever Dealbreakers
- Cannot tolerate dog hair everywhere
- Work long hours away from home
- Not financially prepared for cancer treatment
- Want a low-maintenance dog
Surrender Risk
| Factor | Bullmastiff | Golden Retriever |
|---|---|---|
| Risk Level | Medium | Low to Medium |
| Primary Reasons | Underestimated exercise needs, Behavioral challenges, Cost of care | Size/energy underestimated for 70lb sporting dog, Shedding overwhelms owners - golden hair on every surface, Health costs from dysplasia or cancer diagnosis |
Temperament & Personality
Behavior Comparison
| Trait | Bullmastiff | Golden Retriever |
|---|---|---|
| Prey Drive | ||
| Watchdog Ability | ||
| Stranger Friendly | ||
| Drool Level | ||
| Wanderlust |
Vocalization
| Trait | Bullmastiff | Golden Retriever |
|---|---|---|
| Barking Level | Low | Medium |
| Howling Tendency | ||
| Whining Tendency | Low | Medium |
| Separation Vocalization |
Safety & Reliability
| Trait | Bullmastiff | Golden Retriever |
|---|---|---|
| Escape Artist | ||
| Dog Park Suitable | ||
| Off-Leash Reliable | ||
| Small Animal Safe | ||
| Leash Reactivity | ||
| Resource Guarding Risk | Low | Moderate |
Bullmastiff Social Traits
Moderate
Selective
Golden Retriever Social Traits
None
Generally loves all dogs, some same-sex aggression in intact males at 18-24 months
Training
Bullmastiff
- ** Positive reinforcement is the only viable path. Harsh corrections often cause this breed to shut down or become defensive.
Golden Retriever
- Use food motivation to your advantage
- Teach bite inhibition early - they are mouthy
- Channel retrieval instinct into carrying tasks
Bullmastiff Considerations
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.
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.
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.
Golden Retriever Considerations
Golden Retrievers have a genetic predisposition for resource guarding behaviors. Early training and management is essential.
This breed bonds intensely and may struggle when left alone. They can develop destructive behaviors if isolated for long periods.
Puppies and adolescents are especially mouthy due to their retriever heritage. Requires consistent bite inhibition training.
Their love of water and outdoors means they will track mud, dirt, and debris into your home constantly. Not ideal for pristine households.
Multi-Species Compatibility
| Species | Bullmastiff | Golden Retriever |
|---|---|---|
| With Cats | Generally safe with proper introduction | Generally safe - among best breeds for coexisting with cats |
| Small Mammals | Supervision required | Safe with proper introduction |
| Birds / Reptiles | Caution advised | Caution - bird dog instincts may trigger chase/grab |
Advanced Behavior
| Trait | Bullmastiff | Golden Retriever |
|---|---|---|
| Predatory Sequence Risk | Medium | Arrested |
| Biddability | Low | High |
| Noise Sensitivity | Low | Low |
| Territorial Barking | ||
| Same-Sex Aggression Onset | 18 months | 18 months |
Golden Retriever: Predatory sequence arrested at grab/hold - soft-mouthed, won't kill. Works *with* you (cooperative), not for themselves like independent breeds.
First Year & Life Stages
First Year Challenges
| Challenge | Bullmastiff | Golden Retriever |
|---|---|---|
| Puppy Difficulty | ||
| Destructive Phase | 6-18 | 6-18 |
| House Training | Moderate | Easy |
| Crate Training | Medium | High |
| Adolescent Regression |
Bullmastiff: Bullmastiff puppies require consistent training and patience.
Golden Retriever: Golden puppies are 'land sharks' - intense teething phase 4-6 months. Adolescence brings regression in training and peak energy.
Life Stages Timeline
| Stage | Bullmastiff | Golden Retriever |
|---|---|---|
| Puppy Phase | 12 months | 18 months |
| Adolescence | 6-18 | 6-18 |
| Adult Years | 2-8 | 2-8 |
| Senior Onset | ~8 years | ~8 years |
| Peak Energy Age | 1-3 years | 1-3 years |
Size & Physical Characteristics
Physical Stats
| Measurement | Bullmastiff | Golden Retriever |
|---|---|---|
| Height | N/A | 55-61 cm |
| Weight | N/A | N/A |
| Size Category | Extra Large | Large |
| Lifespan | 7-9 years years | 10-12 years |
| Litter Size | 4-8 | 4-12 |
Bullmastiff Coat
Golden Retriever Coat
Lineage & Origin
| Detail | Bullmastiff | Golden Retriever |
|---|---|---|
| Original Purpose | Developed in mid-19th century England, the Bullmastiff was created by gamekeepers to combat poachers | Soft-mouthed retrieval of waterfowl and upland game birds |
| Origin | N/A | Scottish Highlands, late 19th century |
Breeding Details
| Detail | Bullmastiff | Golden Retriever |
|---|---|---|
| C-Section Rate | Varies | 17.7% |
| Whelping Difficulty | Medium | Medium |
| Puppy Mortality Rate | Low | Low |
Physical Risks
| Risk | Bullmastiff | Golden Retriever |
|---|---|---|
| Bloat / GDV Risk | Low | High |
| Slippery Floor Risk | Low | Medium |
| Min Fence Height | 1.5m | 1.2m |
| Dig / Escape Risk | Low | Low |
Health & Common Conditions
Bullmastiff Health Issues
Golden Retriever Health Issues
Bullmastiff Suggested Tests
- OFA/PennHIP for hip/elbow dysplasia
- Echocardiogram for cardiac issues
- CERF for eye conditions
- Prophylactic gastropexy
Golden Retriever Suggested Tests
- Hip Evaluation (OFA or PennHIP)
- Elbow Evaluation
- Ophthalmologist Evaluation
- Cardiac Exam
- PRA-1, PRA-2, prcd-PRA (eye)
- Ichthyosis DNA test
- NCL (Neuronal Ceroid Lipofuscinosis)
Health Risk Overview
| Risk Factor | Bullmastiff | Golden Retriever |
|---|---|---|
| Cancer Risk | Medium | High |
| Cardiac Risk | Low | Medium |
| Neurological Risk | Low | Low |
| CCL/ACL Tear Risk | Low | Medium |
| Vet Burden Tier | Medium | High |
Sensitivities & Allergies
| Sensitivity | Bullmastiff | Golden Retriever |
|---|---|---|
| Skin Allergies | ||
| Environmental Allergies | ||
| Stomach Sensitivity | Low | Medium |
| Food Allergies | Chicken, Beef, Wheat |
Health Maintenance
| Care Item | Bullmastiff | Golden Retriever |
|---|---|---|
| Nail Growth Rate | Normal | Normal |
| Eye Care Needs | Low | Medium |
| Anal Gland Issues | Occasional | Occasional |
Senior Care & Aging
Bullmastiff Senior Care
Common Senior Issues
- Arthritis
- Vision decline
- Cognitive changes
Senior care varies by individual health.
Golden Retriever Senior Care
Common Senior Issues
- Arthritis/joint stiffness
- Cancer (hemangiosarcoma, lymphoma)
- Cognitive decline
- Vision/hearing loss
Significant slowdown at 8+. High cancer risk onset. May need ramps for arthritis.
Grooming & Care
Bullmastiff
medium maintenanceGolden Retriever
medium maintenanceLifestyle Compatibility
Bullmastiff Daily Life
Golden Retriever Daily Life
Housing & Legal Restrictions
| Restriction | Bullmastiff | Golden Retriever |
|---|---|---|
| BSL Restricted | ||
| Common Rental Ban | ||
| Insurance Blacklist | ||
| Weight Category | Under 50lbs | Over 50lbs |
Climate Tolerance
| Climate | Bullmastiff | Golden Retriever |
|---|---|---|
| Heat Tolerance | ||
| Cold Tolerance | ||
| Water Affinity | Medium | High |
Travel Compatibility
| Activity | Bullmastiff | Golden Retriever |
|---|---|---|
| Car Travel | Good | Excellent |
| Camping | ||
| Beach Friendly | ||
| Hiking Rating | ||
| Cabin Flight Eligible | ||
| Hotel Friendly Size |
Niche Suitability
| Role | Bullmastiff | Golden Retriever |
|---|---|---|
| Service Dog | Low | High |
| Therapy Dog | Low | High |
| Deep Pressure Therapy | ||
| Canicross / Bikejoring | ||
| Apartment Adaptable | ||
| Tactile / Sensory Friendly | ||
| Livestock Guardian | ||
| Medical Alert | Low | High |
Costs & Expenses
Upfront Costs
| Cost | Bullmastiff | Golden Retriever |
|---|---|---|
| Purchase Price | N/A | $1,500-3,500 |
| Initial Cost Range | $1,000–$2,500 | $1,500–$3,500 |
| Cost Tier |
Ongoing Costs
| Cost | Bullmastiff | Golden Retriever |
|---|---|---|
| Monthly Range | $180–$300 | $150–$250 |
| Yearly Range | $2,160–$3,600 | $1,800–$3,000 |
| Food / Month | $100-150 | $65-100 |
| Insurance / Month | $80-150 | $40-65 |
| Grooming / Session | N/A | $70-100 |
| Vet Routine / Year | $500-800 | $500-1,500 |
| Monthly Cost Tier |
Bullmastiff Lifetime Cost
N/A
Golden Retriever Lifetime Cost
$20,000-65,000
Quirks & Fun Facts
Daily Quirks
| Quirk | Bullmastiff | Golden Retriever |
|---|---|---|
| Snoring | ||
| Flatulence | Occasional | Occasional |
| Slobber Level | Low | Light |
| Smell When Wet | Moderate | Strong |
| Zoomies Frequency | Occasional | Daily |
| Counter Surfing | ||
| Digging Tendency | Low | Low |
Golden Retriever Quirks
Carrying Objects
Will greet you with a shoe, sock, or toy in their mouth - this is genetic self-soothing behavior
The Golden Lean
Will lean their entire body weight against your legs as affection
Mouth Everything
Interacts with world through mouth - common to carry household objects around
Frequently Asked Questions
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