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Mastiff vs Norwegian Lundehund

Side-by-side comparison across all 14 AKC trait ratings, with a clear verdict on which breed fits which kind of household.

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The bottom line

Mastiff vs Norwegian Lundehund

You’re probably not comparing a Mastiff and a Norwegian Lundehund because they seem like a natural pair. One’s a mountain of a dog that could guard a castle. The other’s a nimble, six-toed climber bred to snatch seabirds off cliffs. But here’s why people end up here: both are rare, both come with serious health considerations, and both demand experienced hands. That’s where the similarity ends. The Mastiff is the quiet giant. At 150 pounds minimum, this dog fills a room. physically and emotionally. You’ll need space, a solid floor, and deep pockets. Food, joint supplements, vet bills. they add up fast. But if you want a deeply loyal, calm-in-the-storm companion that adores kids and barely barks, this is your breed. Just know their time is short. Losing a 10-year-old Mastiff hits like a freight train. The Lundehund? Total opposite energy. Six toes, flexible shoulders, and a body that bends like rubber. this dog evolved for one job no one needs anymore. He’s alert, quirky, and not especially cuddly. Kids might overwhelm him. He’s not a team player like a Labrador. But he lives 14 years, thrives in cold weather, and if you love solving dog puzzles, his oddball health needs (like Lundehund Syndrome) mean you’ll become a de facto expert. Here’s the real talk: you don’t pick a Mastiff for fun. You commit to him like a responsibility, with love. You pick a Lundehund because you’re fascinated, not because you want a best friend. One is a living landmark. The other is a relic. Choose based on what kind of devotion you’re ready for.

Mastiff
Norwegian Lundehund
27.5–30 in
Height
12–15 in
120–230 lb
Weight
20–30 lb
6–10 yr
Lifespan
12–15 yr
$1.5–4.0k
Puppy price
$1.5–3.5k
#29
AKC popularity
#191

Trait-by-trait

Higher bar = more of that trait. Shedding, barking, drooling, grooming flipped for readability.
Affectionate w/ Family
Good with Young Children
Good with Other Dogs
Shedding Level
Coat Grooming
Drooling Level
Good with Strangers
Playfulness
Watchdog / Protective
Adaptability
Trainability
Energy Level
Barking Level
Mental Stimulation Needs
AffectionGood w/ KidsGood w/ DogsShedding LevelGroomingDrooling LevelGood w/ StrangersPlayfulnessProtectiveAdaptabilityTrainabilityEnergy LevelBarking LevelMental Stim.
Mastiff Norwegian Lundehund
Overlay

Where they diverge

Drooling Level
Norwegian Lundehund drools less (3-point difference)
Norwegian
Affectionate w/ Family
Mastiff is more affectionate (2-point difference)
Mastiff
Good with Young Children
Mastiff is better with kids (2-point difference)
Mastiff
Watchdog / Protective
Mastiff is more protective (2-point difference)
Mastiff
Barking Level
Mastiff barks less (2-point difference)
Mastiff
The verdict

Choose the Mastiff if…

  • Families with older children
  • Experienced large-breed owners
  • Those wanting a calm guardian
  • You value drooling levelMastiff scores noticeably higher.

Choose the Norwegian Lundehund if…

  • Experienced dog owners
  • Those interested in rare breeds
  • Active families
  • You value barking levelNorwegian Lundehund scores higher here.
Mastiff Owner’s Guide
Everything you need before bringing your Mastiff home.
Breed variants, breeder red flags, and what to ask
First-week checklist and daily schedules by age
Training timeline from 8 weeks to adulthood
Health screenings, emergency card, and feeding portions
Grooming schedule, first-year costs, and what nobody tells you
Get Your Guide
Norwegian Lundehund Owner’s Guide
Everything you need before bringing your Norwegian Lundehund home.
Breed variants, breeder red flags, and what to ask
First-week checklist and daily schedules by age
Training timeline from 8 weeks to adulthood
Health screenings, emergency card, and feeding portions
Grooming schedule, first-year costs, and what nobody tells you
Get Your Guide

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