Curly Coated Retriever vs Mastiff
A side-by-side comparison to help you find the right breed for your lifestyle.
Curly Coated Retriever
The Curly Coated Retriever is a versatile and intelligent dog breed known for its distinctive tight, water-resistant curls and its prowess in retrieving both on land and in water. Originally bred in England for hunting and retrieving game, this breed is also celebrated for its friendly and confident demeanor, making it a great companion for active families.
Large
High
10-12 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 | Curly Coated Retriever | 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 | Curly Coated Retriever | Mastiff |
|---|---|---|
| Size | Large | Extra Large |
| Energy Level | High | Low |
| Grooming | Low | High |
| Trainability | challenging | challenging |
| Barking Level | High | Medium |
| Shedding Level | Medium | Medium |
| Chew strength | Moderate | Hard |
| Housing | Yard | Yard |
Owner Fit & Decision Guide
Owner Match
| Trait | Curly Coated Retriever | Mastiff |
|---|---|---|
| Experience Level | Experienced | Advanced |
| First-Time Owner | ||
| Ideal Owner | Active individual or family who can provide adequate exercise and training for a Curly Coated Retriever. | 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. |
Curly Coated Retriever 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 | Curly Coated Retriever | 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 | Curly Coated Retriever | Mastiff |
|---|---|---|
| Prey Drive | ||
| Watchdog Ability | ||
| Stranger Friendly | ||
| Drool Level | ||
| Wanderlust |
Vocalization
| Trait | Curly Coated Retriever | Mastiff |
|---|---|---|
| Barking Level | High | Medium |
| Howling Tendency | ||
| Whining Tendency | Low | Low |
| Separation Vocalization |
Safety & Reliability
| Trait | Curly Coated Retriever | Mastiff |
|---|---|---|
| Escape Artist | ||
| Dog Park Suitable | ||
| Off-Leash Reliable | ||
| Small Animal Safe | ||
| Leash Reactivity | ||
| Resource Guarding Risk | Low | Moderate |
Curly Coated Retriever 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
Curly Coated Retriever
- 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
Curly Coated Retriever Considerations
If you want a dog that loves every stranger at the brewery, do not get a Curly. They are naturally wary of strangers and will patrol their territory. While not aggressive without cause, they are serious watchdogs who reserve their affection for their inner circle.
This breed does not obey commands simply because you asked. They assess the value of the request. They are known to open doors, gates, and cabinets. Their intelligence is manipulative; they will find the loophole in your rules.
A Curly may remain a "puppy" mentally for 3+ years. Owners expecting a settled adult dog by age 2 will be frustrated by the prolonged adolescence and testing of boundaries.
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 | Curly Coated Retriever | Mastiff |
|---|---|---|
| With Cats | Generally safe with proper introduction | 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 | Curly Coated Retriever | 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 | Curly Coated Retriever | Mastiff |
|---|---|---|
| Puppy Difficulty | ||
| Destructive Phase | 6-24 | 6-18 |
| House Training | Moderate | Medium |
| Crate Training | Medium | Medium |
| Adolescent Regression |
Curly Coated Retriever: Curly Coated Retriever 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 | Curly Coated Retriever | 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 | Curly Coated Retriever | Mastiff |
|---|---|---|
| Height | N/A | 70-76+ cm |
| Weight | Not enough data yet | Not enough data yet |
| Size Category | Large | Extra Large |
| Lifespan | 10–12 years | 6–10 years |
| Litter Size | 4-8 | 8-10 |
Curly Coated Retriever Coat
Mastiff Coat
Lineage & Origin
| Detail | Curly Coated Retriever | Mastiff |
|---|---|---|
| Original Purpose | The Curly Coated Retriever is likely the oldest of the retriever breeds, established in England as e | 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 | Curly Coated Retriever | Mastiff |
|---|---|---|
| C-Section Rate | Varies | High |
| Whelping Difficulty | Medium | High |
| Puppy Mortality Rate | Low | Moderate |
Physical Risks
| Risk | Curly Coated Retriever | 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
Curly Coated Retriever Health Issues
Mastiff Health Issues
Curly Coated Retriever Suggested Tests
- DNA testing for GSD IIIa
- Regular veterinary screenings for cancer
- Gastropexy (stomach tacking) for Bloat
- DNA testing for EIC
- Annual ophthalmologist evaluations (CAER) for PRA
- Hip and Elbow Dysplasia screening (BVA scoring)
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 | Curly Coated Retriever | 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 | Curly Coated Retriever | Mastiff |
|---|---|---|
| Skin Allergies | ||
| Environmental Allergies | ||
| Stomach Sensitivity | Low | Medium |
| Food Allergies |
Health Maintenance
| Care Item | Curly Coated Retriever | Mastiff |
|---|---|---|
| Nail Growth Rate | Normal | Fast |
| Eye Care Needs | Low | Medium |
| Anal Gland Issues | Occasional | Occasional |
Senior Care & Aging
Curly Coated Retriever 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
Curly Coated Retriever
low maintenanceMastiff
high maintenanceLifestyle Compatibility
Curly Coated Retriever Daily Life
Mastiff Daily Life
Housing & Legal Restrictions
| Restriction | Curly Coated Retriever | Mastiff |
|---|---|---|
| BSL Restricted | ||
| Common Rental Ban | ||
| Insurance Blacklist | ||
| Weight Category | Under 50lbs | Over 50lbs |
Climate Tolerance
| Climate | Curly Coated Retriever | Mastiff |
|---|---|---|
| Heat Tolerance | ||
| Cold Tolerance | ||
| Water Affinity | Medium | Low |
Travel Compatibility
| Activity | Curly Coated Retriever | Mastiff |
|---|---|---|
| Car Travel | Good | Good |
| Camping | ||
| Beach Friendly | ||
| Hiking Rating | ||
| Cabin Flight Eligible | ||
| Hotel Friendly Size |
Niche Suitability
| Role | Curly Coated Retriever | 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 | Curly Coated Retriever | 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 | Curly Coated Retriever | Mastiff |
|---|---|---|
| Monthly Range | $120–$190 | $300–$600 |
| Yearly Range | $1,440–$2,280 | $3,600–$7,200 |
| Food / Month | $70-100 | $150-300 |
| Insurance / Month | $50-90 | $100-200+ |
| Grooming / Session | $0-50 | $75-125 |
| Vet Routine / Year | N/A | $450-600 |
| Monthly Cost Tier |
Curly Coated Retriever Lifetime Cost
N/A
Mastiff Lifetime Cost
$25,000-60,000
Quirks & Fun Facts
Daily Quirks
| Quirk | Curly Coated Retriever | 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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