Irish Soft Coated Wheaten Terrier vs Mastiff
A side-by-side comparison to help you find the right breed for your lifestyle.
Irish Soft Coated Wheaten Terrier
Also known as: Wheaten, Wheatie, Irish Wheaten, SCWT
The Irish Soft Coated Wheaten Terrier is an exuberant, people-loving terrier with a distinctive silky wheaten coat. Known for their enthusiastic 'Wheaten Greetin' - jumping to greet you at face level - they require 60-90 minutes of daily exercise and significant grooming commitment. Originally bred as all-purpose farm dogs in Ireland, they are hypoallergenic, adaptable to apartment living, and bond intensely with their families.
Medium
High
12-14 yrs
43-48 cm
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 | Irish Soft Coated Wheaten Terrier | 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 | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Size | Medium | Extra Large |
| Energy Level | High | Low |
| Grooming | High | High |
| Trainability | Moderate | challenging |
| Barking Level | Medium | Medium |
| Shedding Level | Low | Medium |
| Chew strength | Moderate | Hard |
| Housing | Apartment | Yard |
Owner Fit & Decision Guide
Owner Match
| Trait | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Experience Level | Intermediate | Advanced |
| First-Time Owner | ||
| Ideal Owner | Dedicated owner willing to pay for professional grooming and attend obedience classes. Active individual or family who can manage the exuberant greeting behavior. Tolerant of daily grooming and beard maintenance. | 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. |
Irish Soft Coated Wheaten Terrier Dealbreakers
- Want a dog that can be washed once a month and ignored
- Fastidious about a clean house (mud/debris in coat)
- Want an off-leash dog for unfenced areas
- Have small children or elderly relatives (jumping risk)
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 | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Risk Level | Medium | Medium |
| Primary Reasons | Grooming neglect - owner couldn't handle the matting, Energy mismatch - bounce and jumping too much for families with small kids, Allergies - owner didn't realize hypoallergenic doesn't mean allergen-free | '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 | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Prey Drive | ||
| Watchdog Ability | ||
| Stranger Friendly | ||
| Drool Level | ||
| Wanderlust |
Vocalization
| Trait | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Barking Level | Medium | Medium |
| Howling Tendency | ||
| Whining Tendency | Medium | Low |
| Separation Vocalization |
Safety & Reliability
| Trait | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Escape Artist | ||
| Dog Park Suitable | ||
| Off-Leash Reliable | ||
| Small Animal Safe | ||
| Leash Reactivity | ||
| Resource Guarding Risk | Low | Moderate |
Irish Soft Coated Wheaten Terrier Social Traits
None
Generally good with other dogs, unlike many terriers. Unneutered males may have same-sex aggression issues at ~18 months.
Mastiff Social Traits
High
Same-sex aggression can develop around 18-24 months. Socialization critical to prevent wariness becoming fear-aggression.
Training
Irish Soft Coated Wheaten Terrier
- Keep sessions short (5-10 minutes) and fun
- Use high-value treats - they are food motivated
- Four on the floor: no one pets unless feet are grounded
- Never use harsh correction - causes shutdown or defensive behavior
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
Irish Soft Coated Wheaten Terrier Considerations
A genetic predisposition to launch themselves vertically at faces to say hello. This is hardwired, dopamine-fueled behavior that takes months of consistent training to manage and can be dangerous for small children or elderly relatives.
Despite their soft looks, they are vermin hunters by heritage. A Wheaten that is an angel in the living room may become deaf to commands the moment a squirrel, cat, or rabbit bolts. Off-leash reliability is exceptionally low.
Professional grooming ($100-150) every 4-6 weeks is non-negotiable unless you learn professional scissoring skills. Neglecting this leads to severe matting requiring a traumatic shave down.
During coat transition from puppy to adult, severe overnight matting occurs even with brushing. Many owners surrender dogs during this phase due to grooming inability.
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 | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| With Cats | Only if raised together from puppyhood. Running cat will trigger chase response. Outdoor cats viewed as prey. | Generally safe if raised together - low prey drive |
| Small Mammals | Unsafe - rabbits, hamsters, guinea pigs are viewed as prey | Generally safe - no terrier-like kill instinct |
| Birds / Reptiles | Unsafe - terrier instinct causes fixation on cages | Generally neutral |
Advanced Behavior
| Trait | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Predatory Sequence Risk | Arrested to Full | Arrested |
| Biddability | Medium | Low |
| Noise Sensitivity | Low | Low |
| Territorial Barking | ||
| Same-Sex Aggression Onset | 18 months | 18 months |
Irish Soft Coated Wheaten Terrier: Displays Eye → Stalk → Chase → Grab sequence. Kill bite less common than working terriers but chase drive fully intact. Will harass small animals relentlessly. Soft terrier - harsh correction causes shutdown.
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 | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Puppy Difficulty | ||
| Destructive Phase | 6-18 | 6-18 |
| House Training | Medium | Medium |
| Crate Training | Medium | Medium |
| Adolescent Regression |
Irish Soft Coated Wheaten Terrier: Combination of terrier stubbornness, potty training delays, and the dreaded coat change (7-24 months) makes first year challenging. Many owners surrender during grooming-intensive coat transition.
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 | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Puppy Phase | 12 months | 18 months |
| Adolescence | 12-36 | 18-36 |
| Adult Years | 3-8 | 3-6 |
| Senior Onset | ~9 years | ~6 years |
| Peak Energy Age | 1-3 years | 1-2 years |
Size & Physical Characteristics
Physical Stats
| Measurement | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Height | 43-48 cm | 70-76+ cm |
| Weight | Not enough data yet | Not enough data yet |
| Size Category | Medium | Extra Large |
| Lifespan | 12–14 years | 6–10 years |
| Litter Size | 5-6 | 8-10 |
Irish Soft Coated Wheaten Terrier Coat
Mastiff Coat
Lineage & Origin
| Detail | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Original Purpose | All-purpose farm dog: herding sheep, guarding homestead, hunting vermin (badgers, otters, rats) | 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 | Ireland, 200+ years ago | Ancient breed - ancestors depicted in Assyrian bas-reliefs from 2500 BC |
Breeding Details
| Detail | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| C-Section Rate | Low | High |
| Whelping Difficulty | Easy | High |
| Puppy Mortality Rate | Low | Moderate |
Physical Risks
| Risk | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Bloat / GDV Risk | Low | High |
| Slippery Floor Risk | Low | High |
| Min Fence Height | 1.5m | 1.8m |
| Dig / Escape Risk | High | Low |
Health & Common Conditions
Irish Soft Coated Wheaten Terrier Health Issues
Mastiff Health Issues
Irish Soft Coated Wheaten Terrier Suggested Tests
- PLN Variant Gene Test
- Annual urine test (urinalysis/UPC ratio)
- OFA hips/eyes
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 | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Cancer Risk | Low | Very High |
| Cardiac Risk | Low | Medium |
| Neurological Risk | Low | Low |
| CCL/ACL Tear Risk | Low | High |
| Vet Burden Tier | High | Very High |
Sensitivities & Allergies
| Sensitivity | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Skin Allergies | ||
| Environmental Allergies | ||
| Stomach Sensitivity | High | Medium |
| Food Allergies | High-fat diets (PLE risk), Novel proteins (may trigger IBD-like symptoms) |
Health Maintenance
| Care Item | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Nail Growth Rate | Normal | Fast |
| Eye Care Needs | High | Medium |
| Anal Gland Issues | Rare | Occasional |
Senior Care & Aging
Irish Soft Coated Wheaten Terrier Senior Care
Common Senior Issues
- Kidney function decline (PLN risk increases)
- Arthritis
- Incontinence (older spayed females)
Geriatric Wheatens often maintain puppy-like demeanor longer than other breeds, but mobility issues and kidney function are primary concerns.
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
Irish Soft Coated Wheaten Terrier
high maintenanceMastiff
high maintenanceLifestyle Compatibility
Irish Soft Coated Wheaten Terrier Daily Life
Mastiff Daily Life
Housing & Legal Restrictions
| Restriction | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| BSL Restricted | ||
| Common Rental Ban | ||
| Insurance Blacklist | ||
| Weight Category | 25-50lbs | Over 50lbs |
Climate Tolerance
| Climate | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Heat Tolerance | ||
| Cold Tolerance | ||
| Water Affinity | Medium | Low |
Travel Compatibility
| Activity | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Car Travel | Excellent | Good |
| Camping | ||
| Beach Friendly | ||
| Hiking Rating | ||
| Cabin Flight Eligible | ||
| Hotel Friendly Size |
Niche Suitability
| Role | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Service Dog | Low | Low |
| Therapy Dog | Medium | Medium |
| Deep Pressure Therapy | ||
| Canicross / Bikejoring | ||
| Apartment Adaptable | ||
| Tactile / Sensory Friendly | ||
| Livestock Guardian | ||
| Medical Alert | Low | Low |
Costs & Expenses
Upfront Costs
| Cost | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Purchase Price | $1,500-3,000 | $1,500-4,000 |
| Initial Cost Range | $1,500–$3,000 | $1,500–$4,000 |
| Cost Tier |
Ongoing Costs
| Cost | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Monthly Range | $200–$350 | $300–$600 |
| Yearly Range | $2,400–$4,200 | $3,600–$7,200 |
| Food / Month | $50-75 | $150-300 |
| Insurance / Month | $50-80 | $100-200+ |
| Grooming / Session | $100-150 | $75-125 |
| Vet Routine / Year | $500-800 | $450-600 |
| Monthly Cost Tier |
Irish Soft Coated Wheaten Terrier Lifetime Cost
$30,000-55,000
Mastiff Lifetime Cost
$25,000-60,000
Quirks & Fun Facts
Daily Quirks
| Quirk | Irish Soft Coated Wheaten Terrier | Mastiff |
|---|---|---|
| Snoring | ||
| Flatulence | Occasional | Frequent |
| Slobber Level | None | Heavy |
| Smell When Wet | Mild | Strong |
| Zoomies Frequency | Daily | Rare |
| Counter Surfing | ||
| Digging Tendency | High | Low |
Irish Soft Coated Wheaten Terrier Quirks
The Wheaten Greetin'
Signature enthusiastic welcome involving jumping, spinning, and kissing faces
The Wheaten Spin
When excited, they spin in circles
The Beard Sponge
The beard acts as a sponge - after drinking, they will drip water on your lap. After eating, food particles remain. Beard hygiene is a daily task.
Snowballs
In winter, snow clumps to leg hair forming heavy ice balls that can be painful
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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