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Portuguese Water Dog vs Scottish Terrier

A side-by-side comparison to help you find the right breed for your lifestyle.

WorkingWater Dog
Portuguese Water Dog breed photo

Portuguese Water Dog

Also known as: PWD, Portie, Cão de Água Português, Obama Dog

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The Portuguese Water Dog (PWD) is a highly energetic and intelligent breed known for its curly, hypoallergenic coat and exceptional swimming abilities. Originally bred to work alongside Portuguese fishermen—herding fish into nets, retrieving lost tackle, and swimming messages between boats—they are devoted 'Velcro dogs' who bond intensely with their families.

Size

Medium

Energy

High

Lifespan

11-14 yrs

Height

43-57 cm

Weight

16-27 kg

VS
Scottish Terrier breed photo

Scottish Terrier

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The Scottish Terrier, affectionately known as the \\\"Scottie,\\\" is a small, sturdy breed recognized for its distinctive wiry coat, bushy eyebrows, and dignified demeanor. Known for their independence and spirited nature, Scotties are loyal companions with a rich history as tenacious hunters.

Size

Medium

Energy

Medium

Lifespan

10-12 years yrs

Height

N/A

Quick Comparison

TraitPortuguese Water DogScottish Terrier
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
DetailPortuguese Water DogScottish Terrier
SizeMediumMedium
Energy LevelHighMedium
GroomingHighHigh
TrainabilityEasychallenging
Barking LevelMediumHigh
Shedding LevelLowLow
Chew strengthModerateLight
HousingYardApartment

Owner Fit & Decision Guide

Owner Match

TraitPortuguese Water DogScottish Terrier
Experience LevelIntermediateExperienced
First-Time Owner
Ideal OwnerActive individual or family willing to hire professional groomer. Works from home or can provide midday activity. Has access to swimming opportunities. Tolerant of a shadow dog that demands interaction.Active individual or family who can provide adequate exercise and training for a Scottish Terrier.

Portuguese Water Dog Dealbreakers

  • Sedentary lifestyle - if you hate walking/swimming, this dog becomes neurotic and destructive
  • Budget constraints - if $100/month for grooming is a hardship
  • Long work hours - if everyone is gone 9-5 without dog walker or daycare

Scottish Terrier Dealbreakers

  • Cannot meet 45-60 min daily exercise
  • Cannot commit to grooming needs

Surrender Risk

FactorPortuguese Water DogScottish Terrier
Risk LevelMediumMedium
Primary ReasonsGrooming & Energy - owners underestimate coat maintenance leading to severe matting, Mouthiness in puppyhood surprises and overwhelms owners, Sheer amount of interaction the dog demandsUnderestimated exercise needs, Behavioral challenges, Cost of care

Temperament & Personality

Behavior Comparison

TraitPortuguese Water DogScottish Terrier
Prey Drive
Watchdog Ability
Stranger Friendly
Drool Level
Wanderlust

Vocalization

TraitPortuguese Water DogScottish Terrier
Barking LevelMediumHigh
Howling Tendency
Whining TendencyHighLow
Separation Vocalization
Portuguese Water Dog bark triggers
Doorbell/arrivalsDemand for attentionStrange noises
Scottish Terrier bark triggers
StrangersDoorbellsOther dogs

Safety & Reliability

TraitPortuguese Water DogScottish Terrier
Escape Artist
Dog Park Suitable
Off-Leash Reliable
Small Animal Safe
Leash Reactivity
Resource Guarding RiskLowLow

Portuguese Water Dog Social Traits

Velcro Dog
One Person Dog
Handling ToleranceHigh
Stranger Wariness

Medium

With Other Dogs

Generally friendly with proper socialization

Scottish Terrier Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Moderate

With Other Dogs

Selective

Training

Portuguese Water Dog

MethodPositive reinforcement - sensitive to tone and can shut down with harsh correction
Repetitions to Learn5-15
Challenges
High intelligence but manipulative - will test boundariesIndependent streak - need to know WHY they're doing somethingAdolescent regression at 1-3 years - may challenge authority
Tips
  • Use high-value treats and toys - 'Because it pays well' works better than 'Because I said so'
  • Keep sessions varied and engaging - they get bored with repetition
  • Channel mouthiness into retrieving games and teaching them to carry objects

Scottish Terrier

MethodPositive reinforcement
Challenges
** Repetition bores them. If you ask a Scottie to sit 10 times, by the 4th time they will look at you with disdain.
Tips
  • ** Positive reinforcement is the only viable path. Harsh corrections will cause a Scottie to shut down or retaliate.

Portuguese Water Dog Considerations

dealbreakerVelcro Dog & Separation Anxiety

PWDs were bred to work on small fishing boats alongside their masters all day. They follow you into the bathroom and may develop severe separation anxiety if left alone 8+ hours. Prone to demand barking and whining if ignored.

challengeSevere Mouthiness & Nipping

As a retriever breed, they interact with the world through their mouths. PWD puppies are notoriously 'nippy' and oral—this is not aggression but can be painful and frightening for young children.

challengeThe 'Portie Greeting'

This breed is famous for dancing on hind legs and jumping up to greet faces. While charming to some, it's a significant fall risk for elderly owners or small children.

dealbreakerNon-Negotiable Grooming Costs

Professional grooming every 6-8 weeks at $100-150 is mandatory, not optional. Neglecting this leads to severe matting that damages skin and requires shave-down.

Scottish Terrier Considerations

challengeIntense Independence

Unlike the Golden Retriever or Labrador, the Scottie does not live to please you. They are famously independent thinkers. If you call a Scottie, they may consider the request, evaluate what’s in it for them, and then decide whether to comply. This is often misinterpreted as "stubbornness," but it is actually a feature of a breed designed to work alone underground without human direction.

challengeDefensive Reactivity

Scotties are naturally suspicious of strangers and other dogs. They have a low tolerance for handling they deem disrespectful, which can include hugging, ear pulling, or sudden movements. This makes them a (under 8-10 years old). They are quick to correct perceived rudeness with a snap.

challengeSame-Sex Aggression

Many Scotties, particularly males, can be intolerant of other dogs of the same sex. This aggression often emerges at social maturity (18-24 months) and can escalate to serious fighting if not managed.

challengePredatory Drift

Their prey drive is not a game; it is a kill instinct. They cannot be trusted around small pets like hamsters, rabbits, or birds.

Multi-Species Compatibility

SpeciesPortuguese Water DogScottish Terrier
With CatsGenerally safe if socialized - may chase running animals but usually stop when animal stopsCaution - may chase
Small MammalsCaution - may try to chase and retrieveSupervision required
Birds / ReptilesNot a livestock guardian - may try to herd or play with stockCaution advised

Advanced Behavior

TraitPortuguese Water DogScottish Terrier
Predatory Sequence RiskArrestedMedium
BiddabilityHighLow
Noise SensitivityLowLow
Territorial Barking
Same-Sex Aggression OnsetN/A18 months

Portuguese Water Dog: Predatory sequence: Orient -> Eye -> Stalk -> Chase -> Grab-Bite. The Kill-Bite and Dissect phases are inhibited. This makes them generally safe with other dogs and often cats, though they may annoy them.

First Year & Life Stages

First Year Challenges

ChallengePortuguese Water DogScottish Terrier
Puppy Difficulty
Destructive Phase6-186-18
House TrainingModerateModerate
Crate TrainingHighMedium
Adolescent Regression

Portuguese Water Dog: PWD puppies are 'land sharks' - their retrieving instinct manifests as severe nipping and mouthing. Combined with high intelligence and energy, they require more management than a Golden Retriever (6/10) but less than a Malinois (9/10).

Scottish Terrier: Scottish Terrier puppies require consistent training and patience.

Life Stages Timeline

StagePortuguese Water DogScottish Terrier
Puppy Phase12 months12 months
Adolescence12-366-18
Adult Years3-92-8
Senior Onset~9 years~8 years
Peak Energy Age1-3 years1-3 years

Size & Physical Characteristics

Physical Stats

MeasurementPortuguese Water DogScottish Terrier
Height43-57 cmN/A
WeightNot enough data yetNot enough data yet
Size CategoryMediumMedium
Lifespan

11–14 years

10–12 years

Litter Size4-84-8

Portuguese Water Dog Coat

Type single
Length medium to long
Texture curly or wavy
Colors
BlackWhiteBrownBlack and WhiteBrown and White

Scottish Terrier Coat

Type double
Length Medium
Texture straight
Colors
Various

Lineage & Origin

DetailPortuguese Water DogScottish Terrier
Original PurposeFishing crew member - herding fish into nets, swimming messages between boats, retrieving broken nets and tackleDeveloped in the Scottish Highlands, the Scottie was bred to hunt badger, fox, and otter
OriginPortugal, coastal regions, centuries-old heritageN/A

Breeding Details

DetailPortuguese Water DogScottish Terrier
C-Section RateLowVaries
Whelping DifficultyEasyMedium
Puppy Mortality RateLowLow

Physical Risks

RiskPortuguese Water DogScottish Terrier
Bloat / GDV RiskLowLow
Slippery Floor RiskLowLow
Min Fence Height1.5m1.5m
Dig / Escape RiskLowLow

Health & Common Conditions

Portuguese Water Dog Health Issues

Hip Dysplasia12.8-13%
Progressive Retinal Atrophy (PRA)14.2% carriers
Juvenile Dilated Cardiomyopathy (JDCM)2.8% carriers
GM-1 Gangliosidosis0.3% carriers
Addison's Disease

Scottish Terrier Health Issues

Transitional Cell Carcinoma (TCC): 18-20x higher risk
Scottie Cramp: hereditary disorder affecting serotonin metabolism
Von Willebrand's Disease (vWD): bleeding disorder
Craniomandibular Osteopathy (CMO): painful bone growth affecting jaw in puppies
Atopic Dermatitis: chronic skin allergies

Portuguese Water Dog Suggested Tests

  • prcd-PRA DNA test
  • EOPRA DNA test
  • JDCM DNA test
  • GM-1 DNA test
  • OFA Hip Evaluations (or PennHIP)
  • Annual Eye Exams (CAER)

Scottish Terrier Suggested Tests

  • Genetic Testing for vWD and CMO
  • Annual or bi-annual ultrasound screening for bladder tumors starting at age 7-8

Health Risk Overview

Risk FactorPortuguese Water DogScottish Terrier
Cancer RiskLowMedium
Cardiac RiskMediumLow
Neurological RiskLowLow
CCL/ACL Tear RiskLowLow
Vet Burden TierMediumMedium

Sensitivities & Allergies

SensitivityPortuguese Water DogScottish Terrier
Skin Allergies
Environmental Allergies
Stomach SensitivityModerateLow
Food Allergies

Health Maintenance

Care ItemPortuguese Water DogScottish Terrier
Nail Growth RateNormalNormal
Eye Care NeedsMediumLow
Anal Gland IssuesRareOccasional

Senior Care & Aging

Portuguese Water Dog Senior Care

Common Senior Issues

  • Arthritis/joint stiffness
  • Cataracts/PRA progression
  • Addison's Disease (can appear at any age)
  • Hip dysplasia complications
Mobility Aid LikelihoodMedium
QoL Decline Age~11 years
End of Life ComplexityMedium

Slow down significantly around 9+. Watch for clouding eyes (cataracts/PRA) and stiffness (arthritis).

Scottish Terrier Senior Care

Common Senior Issues

  • Arthritis
  • Vision decline
  • Cognitive changes
Mobility Aid LikelihoodMedium
QoL Decline Age~10 years
End of Life ComplexityMedium

Senior care varies by individual health.

Grooming & Care

Portuguese Water Dog

high maintenance
Coat Typesingle
Coat Lengthmedium to long
Coat Texturecurly or wavy
Shedding LevelLow
Seasonal SheddingNone
Ear Cleaningweekly
Dental RiskLow
Obesity Prone
Winter Gear Needed
Summer Restrictions
Paw Protection
Odor LevelLow
Tactile FeelSoft, silky (wavy) or textured (curly) - very pleasant for tactile-sensitive owners. Beards can get smelly if food/water trapped.
Colors
BlackWhiteBrownBlack and WhiteBrown and White

Scottish Terrier

high maintenance
Coat Typedouble
Coat Lengthmedium
Coat Texturestraight
Shedding LevelLow
Seasonal SheddingLow
Ear Cleaningweekly
Dental RiskMedium
Obesity Prone
Winter Gear Needed
Summer Restrictions
Paw Protection
Odor LevelModerate
Tactile FeelVaries by coat type
Colors
Various

Lifestyle Compatibility

Portuguese Water Dog Daily Life

Exercise Needs60-90 min/day
Alone TimeUp to 4h
Mental StimulationHigh
ApartmentChallenging - possible with extreme dedication to multiple daily exercise sessions
Work from HomeExcellent - they love WFH setups because they can be near you, but may demand attention during Zoom calls
Weekend WarriorChallenging - they need daily outlets, cannot crate all week and expect sanity for weekend hike
HousingYard
Barking LevelMedium
First-Time Owner
Exercise Types
Swimming (ideal)Fetch/retrievingVigorous walkingNosework/scent gamesAgility
NighttimeDo have an off-switch indoors if exercise needs met
Food MotivationHigh

Scottish Terrier Daily Life

Exercise Needs45-60 min/day
Alone TimeUp to 4h
Mental StimulationMedium
ApartmentSuitable
Work from HomeSuitable with adequate exercise
Weekend WarriorSuitable
HousingApartment
Barking LevelHigh
First-Time Owner
Exercise Types
WalkingPlayTraining
NighttimeSleeps well when exercised
Food MotivationMedium

Housing & Legal Restrictions

RestrictionPortuguese Water DogScottish Terrier
BSL Restricted
Common Rental Ban
Insurance Blacklist
Weight Category25-50lbsUnder 50lbs

Climate Tolerance

ClimatePortuguese Water DogScottish Terrier
Heat Tolerance
Cold Tolerance
Water AffinityExtremeMedium

Travel Compatibility

ActivityPortuguese Water DogScottish Terrier
Car TravelExcellentGood
Camping
Beach Friendly
Hiking Rating
Cabin Flight Eligible
Hotel Friendly Size

Niche Suitability

RolePortuguese Water DogScottish Terrier
Service DogMediumLow
Therapy DogHighLow
Deep Pressure Therapy
Canicross / Bikejoring
Apartment Adaptable
Tactile / Sensory Friendly
Livestock Guardian
Medical AlertMediumLow

Costs & Expenses

Upfront Costs

CostPortuguese Water DogScottish Terrier
Purchase Price$2,500-4,500N/A
Initial Cost Range$2,500–$4,500$1,000–$2,500
Cost Tier

Ongoing Costs

CostPortuguese Water DogScottish Terrier
Monthly Range$150–$300$80–$160
Yearly Range$2,500–$3,500$960–$1,920
Food / Month$60-90N/A
Insurance / Month$50-80N/A
Grooming / Session$100-150$60-120
Vet Routine / Year$400-1,000N/A
Monthly Cost Tier

Portuguese Water Dog Lifetime Cost

$30,000-50,000

Scottish Terrier Lifetime Cost

N/A

Quirks & Fun Facts

Daily Quirks

QuirkPortuguese Water DogScottish Terrier
Snoring
FlatulenceRareOccasional
Slobber LevelNoneLow
Smell When WetNoneModerate
Zoomies FrequencyDailyOccasional
Counter Surfing
Digging TendencyLowLow

Portuguese Water Dog Quirks

Counter Surfing Ninjas

Their intelligence and food motivation make them expert kitchen thieves - they can steal food with impressive stealth

The Portie Greeting

Famous for dancing on hind legs and jumping up to greet faces - can be a fall risk for elderly or children

The Talker

They 'talk' with grumbles, moans, and varied barks as common ways to communicate their needs

Water Obsession

Most will dive into any body of water including mud puddles and swimming pools

Frequently Asked Questions

No, they are a single-coated, hair-breed that sheds very minimally, similar to a Poodle. However, their hair grows continuously and requires professional grooming every 6-8 weeks.
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Compare with Other Breeds

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