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Curly-Coated Retriever vs Mastiff

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

Curly-Coated Retriever vs Mastiff

People toss these two together because they’re both big, bold British breeds with coats that turn heads. one curly and sleek, the other massive and majestic. But in practice, they’re about as alike as a surfboard and a sofa. The Curly-Coated Retriever is the athlete of the pair, built for speed and stamina, always ready to launch into a lake or sprint through cover. At 60 to 95 pounds, it’s no lightweight, but it moves like it’s got springs in its legs. The Mastiff? You’re looking at a dog that can tip the scales at over 200 pounds, a gentle giant bred to stand ground, not chase ducks. Energy is where the real split hits. The Curly needs daily missions. swimming, hunting, advanced training. otherwise it’ll get creative in ways you won’t like. It’s sharp as a tack and eager to work, but that brilliance demands engagement. The Mastiff, on the other hand, is content to be a calm, dignified shadow. It’s not lazy, but it’s not wired for back-to-back fetch sessions either. Both are deeply affectionate and great with kids, but the Mastiff’s sheer size means it’s better suited to homes with space and experience handling large dogs. Here’s the truth beyond the numbers: the Curly’s coat looks high-maintenance but sheds less than most and rarely needs trimming. The Mastiff? It drools on your jacket, sheds in clumps, and eats like a college linebacker. think 8 to 10 cups of food a day. If you’re weighing these two, ask yourself: do you want a partner for adventure or a noble companion for quiet evenings? Choose the Curly if you hunt, hike, or live near water. Choose the Mastiff if you want a calm, courageous presence and have the space and resources to support a short but deeply loyal life.

Curly-Coated Retriever
Mastiff
23–27 in
Height
27.5–30 in
60–95 lb
Weight
120–230 lb
10–12 yr
Lifespan
6–10 yr
$1.5–3.5k
Puppy price
$1.5–4.0k
#162
AKC popularity
#29

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.
Curly-Coated Retriever Mastiff
Overlay

Where they diverge

Drooling Level
Curly-Coated Retriever drools less (3-point difference)
Curly-Coated
Barking Level
Mastiff barks less (2-point difference)
Mastiff
Shedding Level
Curly-Coated Retriever sheds less (1-point difference)
Curly-Coated
Playfulness
Curly-Coated Retriever is more playful (1-point difference)
Curly-Coated
Watchdog / Protective
Mastiff is more protective (1-point difference)
Mastiff
The verdict

Choose the Curly-Coated Retriever if…

  • Active families
  • Hunters and waterfowlers
  • Cold and wet climates
  • You value barking levelCurly-Coated Retriever scores noticeably higher.

Choose the Mastiff if…

  • Families with older children
  • Experienced large-breed owners
  • Those wanting a calm guardian
  • You value drooling levelMastiff scores higher here.
Curly-Coated Retriever Owner’s Guide
Everything you need before bringing your Curly-Coated Retriever 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
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

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