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Irish Water Spaniel 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

Irish Water Spaniel vs Portuguese Water Dog

People mix up Irish Water Spaniels and Portuguese Water Dogs because they’re both curly coated, water-loving, low-shedding breeds with “water” in their name. But if you’ve spent time around them, you quickly realize they’re totally different dogs underneath that wet-dog smell. The Irish Water Spaniel is like that quiet, intense friend who’s brilliant at their job but doesn’t need to brag about it. They’re deeply loyal, highly trainable, and thrive when they have a task. like flushing ducks in cold bogs, which is what they were built for. They’re not hyper, scoring a 3/5 on energy, and they’re pretty quiet, rarely barking. But don’t mistake calm for low-maintenance. Their dense, glossy curls need regular care, and they bond so closely they can become clingy if left alone too much. They’re not always a slam dunk with kids, leaning toward reserved unless raised with them. The Portuguese Water Dog? That’s the exuberant, full-throttle athlete of the family. Bred to dive off fishing boats and herd fish into nets, they’re bursting with energy at a 5/5 and demand serious mental and physical challenges. They’re goofy, affectionate, and great with kids. more adaptable to various homes, as long as you’re active. But they shed a bit more (2/5), bark a little more, and need just as much grooming. Here’s the real talk: both are smart and low-shedding, ideal for allergy sufferers. But if you want a calm-ish companion who’ll join you hunting or hiking without wearing you out, go Irish. If you’re into dog sports, daily swims, and have a family that never stops moving, the Portuguese Water Dog will match your pace. The truth? The Irish Water Spaniel is rarer and often misunderstood. many people choose the Portuguese Water Dog simply because they’ve heard of it. But if you want a quiet, focused partner with old-school spaniel soul, the Irish might be your dark horse.

Irish Water Spaniel
Portuguese Water Dog
21–24 in
Height
17–23 in
45–68 lb
Weight
35–60 lb
12–13 yr
Lifespan
11–13 yr
$1.5–3.5k
Puppy price
$2.5–5.0k
#159
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.
Irish Water Spaniel Portuguese Water Dog
Overlay

Where they diverge

Good with Young Children
Portuguese Water Dog is better with kids (2-point difference)
Portuguese
Energy Level
Portuguese Water Dog has more energy (2-point difference)
Portuguese
Barking Level
Irish Water Spaniel barks less (2-point difference)
Irish
Good with Other Dogs
Portuguese Water Dog is better with other dogs (1-point difference)
Portuguese
Shedding Level
Irish Water Spaniel sheds less (1-point difference)
Irish
The verdict

Choose the Irish Water Spaniel if…

  • Hunters
  • Active families
  • Waterfowl hunting

Choose the Portuguese Water Dog if…

  • Allergy sufferers
  • Active families
  • Water and outdoor enthusiasts
  • You value good with young childrenPortuguese Water Dog scores higher here.
Irish Water Spaniel Owner’s Guide
Everything you need before bringing your Irish Water Spaniel 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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