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Greyhound vs Portuguese Water Dog

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

Greyhound vs Portuguese Water Dog

People compare Greyhounds and Portuguese Water Dogs because both are low-shedding, affectionate breeds that bond deeply with their people and surprise newcomers with their quirks. But that’s where the similarities end. Think of it like choosing between a sleek sports car and a rugged adventure van. one’s built for speed and quiet elegance, the other for constant motion and hands-on engagement. The Greyhound will fold their 30-inch frame onto your apartment sofa and nap like a cat, despite those long legs built for 45 mph bursts. They’re gentle, sensitive souls who hate yelling and do best in calm homes. If your kids are young and unpredictable, a Greyhound might spook. And if you’re dreaming of off-leash hikes, know this: their prey drive is intense. Squirrels vanish; the Greyhound follows. Adoption is common and affordable. many ex-racers need homes after the track. The Portuguese Water Dog is the opposite kind of athlete. This isn’t a dog that sprints and stops. It’s a dog that wants to swim, train, learn, and work. all day. Bred to herd fish into nets and swim between boats, they’re wired for water and problem-solving. They thrive in active families, especially those into agility or dock diving. But they demand time. Grooming isn’t optional (think clipper cuts every six weeks), and without mental stimulation, they’ll rearrange your houseplants just to feel useful. Here’s the real talk: Greyhounds are velvety couch potatoes with a sprint button. Portuguese Water Dogs are emotional, goofy, high-drive partners who’ll exhaust you in the best way. Pick the Greyhound if you want quiet loyalty with minimal fuss. Pick the Water Dog if you want a dog that’s always ready to do something. with you.

Greyhound
Portuguese Water Dog
27–30 in
Height
17–23 in
60–70 lb
Weight
35–60 lb
10–13 yr
Lifespan
11–13 yr
$1.0–3.0k
Puppy price
$2.5–5.0k
#145
AKC popularity
#50

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.
Greyhound Portuguese Water Dog
Overlay

Where they diverge

Coat Grooming
Greyhound needs less grooming (3-point difference)
Greyhound
Good with Young Children
Portuguese Water Dog is better with kids (2-point difference)
Portuguese
Playfulness
Portuguese Water Dog is more playful (2-point difference)
Portuguese
Trainability
Portuguese Water Dog is easier to train (2-point difference)
Portuguese
Mental Stimulation Needs
Portuguese Water Dog needs more mental stimulation (2-point difference)
Portuguese
The verdict

Choose the Greyhound if…

  • Apartment dwellers (surprisingly calm indoors)
  • Adoption-minded owners (many ex-racers)
  • Low-maintenance coat owners

Choose the Portuguese Water Dog if…

  • Allergy sufferers
  • Active families
  • Water and outdoor enthusiasts
  • You value coat groomingPortuguese Water Dog scores higher here.
Greyhound Owner’s Guide
Everything you need before bringing your Greyhound 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
Portuguese Water Dog Owner’s Guide
Everything you need before bringing your Portuguese Water Dog 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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