Irish Water Spaniel vs Maltese
A side-by-side comparison to help you find the right breed for your lifestyle.

Irish Water Spaniel
The Irish Water Spaniel is a distinctive and versatile breed known for its curly, water-resistant coat and lively personality, excelling in both water retrieving and companion roles. With its unique appearance and intelligence, this breed is often recognized by its tightly curled, liver-colored coat and a characteristic topknot of curls on its head.
Large
High
10-12 yrs
N/A

Maltese
Also known as: Maltese Lion Dog, Melita, Roman Ladies' Dog, Ye Ancient Dogge of Malta
The Maltese is an ancient companion breed with a long, silky white coat. Known for its affectionate, devoted nature and low-shedding coat, this toy breed requires dedicated grooming but rewards owners with unwavering devotion. Originally bred for over 2,000 years solely for companionship, the Maltese thrives on human contact and struggles when left alone.
Extra Small
Medium
12-15+ yrs
21-25 cm
1.8-3.2 kg
Quick Comparison
| Trait | Irish Water Spaniel | Maltese |
|---|---|---|
| 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 |
| Detail | Irish Water Spaniel | Maltese |
|---|---|---|
| Size | Large | Extra Small |
| Energy Level | High | Medium |
| Grooming | High | High |
| Trainability | challenging | Moderate |
| Barking Level | Medium | High |
| Shedding Level | Low | Low |
| Chew strength | Moderate | Light |
| Housing | Yard | Apartment |
Owner Fit & Decision Guide
Owner Match
| Trait | Irish Water Spaniel | Maltese |
|---|---|---|
| Experience Level | Experienced | Beginner (with grooming commitment) |
| First-Time Owner | ||
| Ideal Owner | Active individual or family who can provide adequate exercise and training for a Irish Water Spaniel. | Retirees, empty nesters, or remote workers who enjoy constant physical contact. Someone who wants a 'baby' rather than just a dog and has time for dedicated grooming. |
Irish Water Spaniel Dealbreakers
- Cannot meet 60-120 min daily exercise
- Cannot commit to grooming needs
Maltese Dealbreakers
- Work away from home 8+ hours
- Have toddlers (fragile breed - falling on Maltese can break bones)
- Cannot commit to daily grooming and dental care
- Noise-sensitive living situation
Surrender Risk
| Factor | Irish Water Spaniel | Maltese |
|---|---|---|
| Risk Level | Medium | Medium |
| Primary Reasons | Underestimated exercise needs, Behavioral challenges, Cost of care | Moving/housing changes, Lack of time for grooming and companionship, Behavioral issues (barking, housebreaking failures) |
Temperament & Personality
Behavior Comparison
| Trait | Irish Water Spaniel | Maltese |
|---|---|---|
| Prey Drive | ||
| Watchdog Ability | ||
| Stranger Friendly | ||
| Drool Level | ||
| Wanderlust |
Vocalization
| Trait | Irish Water Spaniel | Maltese |
|---|---|---|
| Barking Level | Medium | High |
| Howling Tendency | ||
| Whining Tendency | Low | High |
| Separation Vocalization |
Safety & Reliability
| Trait | Irish Water Spaniel | Maltese |
|---|---|---|
| Escape Artist | ||
| Dog Park Suitable | ||
| Off-Leash Reliable | ||
| Small Animal Safe | ||
| Leash Reactivity | ||
| Resource Guarding Risk | Low | Moderate |
Irish Water Spaniel Social Traits
Moderate
Selective
Maltese Social Traits
Moderate
Often doesn't realize small size - may challenge large dogs (Napoleon Complex)
Training
Irish Water Spaniel
- ** Positive reinforcement is mandatory. They are sensitive dogs that shut down under harsh correction.
Maltese
- Use treats and praise exclusively - harsh methods backfire
- Don't laugh when puppy growls at slippers - set boundaries early
- Consistency is key with housebreaking - frequent outings, crate training
Irish Water Spaniel Considerations
Unlike the "everyone is a friend" Golden Retriever, the IWS is naturally aloof and watchful. Without extensive early socialization, this reserve can escalate into fear-based aggression or sharp territoriality. They are known to be discerning and will not automatically welcome guests into your home.
This is a "Velcro" breed in the truest sense. They bond intensely with their family and often panic when left alone. Destructive behaviors (chewing through drywall, destroying crates) and excessive vocalization are common failure modes for owners who work long hours away from home.
As a bird dog with a "soft mouth" for retrieval, they still possess a significant prey drive. They are generally unsafe around small non-canine pets (cats, rabbits, hamsters) unless raised with them under strict supervision, and even then, the instinct to chase is powerful.
While intelligent, they are not blindly obedient. They often ask "What's in it for me?" and can be manipulative or "creative" in their interpretation of commands. They require a handler who is firm, fair, and consistent, but never harsh.
Maltese Considerations
Bred for millennia solely for companionship, Maltese often panic when left alone. This manifests as destructive chewing, self-mutilation (licking paws raw), and relentless vocalization. Not suitable for 8-hour workdays without intervention.
Despite their size, Maltese are vigilant watchdogs. They will announce every delivery truck, neighbor, and leaf. In apartments, this high-pitched, persistent barking can lead to noise complaints and eviction notices.
The single most common frustration. Small bladders require frequent outings, and they can be sneaky about indoor accidents. Even adult Maltese may not be 100% reliable outside a crate or pen.
Because they are fragile, owners often tolerate behaviors (growling, snapping, resource guarding) that would be unacceptable in larger dogs. This can create a dog that rules the household.
Multi-Species Compatibility
| Species | Irish Water Spaniel | Maltese |
|---|---|---|
| With Cats | Caution - may chase | Generally excellent - one of the most cat-compatible breeds |
| Small Mammals | Supervision required | Generally safe with supervision - not a terrier, low prey drive |
| Birds / Reptiles | Caution advised | Use caution - fluttering birds may trigger chase instinct |
Advanced Behavior
| Trait | Irish Water Spaniel | Maltese |
|---|---|---|
| Predatory Sequence Risk | Medium | Arrested/None |
| Biddability | Low | High |
| Noise Sensitivity | Low | Medium |
| Territorial Barking | ||
| Same-Sex Aggression Onset | 18 months | N/A |
Maltese: Kill instinct largely bred out - may chase but rarely grab or kill. Cooperative partners who want to please, but also prioritize comfort. Leash reactivity stems from feeling vulnerable at small size.
First Year & Life Stages
First Year Challenges
| Challenge | Irish Water Spaniel | Maltese |
|---|---|---|
| Puppy Difficulty | ||
| Destructive Phase | 6-18 | 4-10 |
| House Training | Moderate | Hard |
| Crate Training | Medium | Medium |
| Adolescent Regression |
Irish Water Spaniel: Irish Water Spaniel puppies require consistent training and patience.
Maltese: Hypoglycemia risk in young puppies - monitor food intake vigilantly. Small bladder makes housebreaking a 4-6 month challenge minimum. Crate training essential but must be introduced gently.
Life Stages Timeline
| Stage | Irish Water Spaniel | Maltese |
|---|---|---|
| Puppy Phase | 12 months | 10 months |
| Adolescence | 6-18 | 6-10 |
| Adult Years | 2-8 | 1-8 |
| Senior Onset | ~8 years | ~9 years |
| Peak Energy Age | 1-3 years | 1-4 years |
Size & Physical Characteristics
Physical Stats
| Measurement | Irish Water Spaniel | Maltese |
|---|---|---|
| Height | N/A | 21-25 cm |
| Weight | Not enough data yet | Not enough data yet |
| Size Category | Large | Extra Small |
| Lifespan | 10–12 years | N/A |
| Litter Size | 4-8 | 2-4 |
Irish Water Spaniel Coat
Maltese Coat
Lineage & Origin
| Detail | Irish Water Spaniel | Maltese |
|---|---|---|
| Original Purpose | dual-purpose water retrievers, capable of handling the frigid waters of the North Sea and navigating | Companionship for Roman matrons and royalty |
| Origin | N/A | Mediterranean (Malta), referenced by Aristotle 384-322 BC |
Breeding Details
| Detail | Irish Water Spaniel | Maltese |
|---|---|---|
| C-Section Rate | Varies | 20-30% |
| Whelping Difficulty | Medium | Medium |
| Puppy Mortality Rate | Low | Moderate |
Physical Risks
| Risk | Irish Water Spaniel | Maltese |
|---|---|---|
| Bloat / GDV Risk | Low | Low |
| Slippery Floor Risk | Low | Medium |
| Min Fence Height | 1.5m | 0.6m |
| Dig / Escape Risk | Low | Low |
Health & Common Conditions
Irish Water Spaniel Health Issues
Maltese Health Issues
Irish Water Spaniel Suggested Tests
- Thyroid Testing
- Eye Exams (for PRA)
- Preventative gastropexy (for Bloat)
Maltese Suggested Tests
- OFA Patella clearance
- OFA Cardiac clearance
- Serum Bile Acid test (liver shunt screening)
Health Risk Overview
| Risk Factor | Irish Water Spaniel | Maltese |
|---|---|---|
| Cancer Risk | Medium | Low |
| Cardiac Risk | Low | High |
| Neurological Risk | Low | Medium |
| CCL/ACL Tear Risk | Low | Low |
| Vet Burden Tier | Medium | Medium |
Sensitivities & Allergies
| Sensitivity | Irish Water Spaniel | Maltese |
|---|---|---|
| Skin Allergies | ||
| Environmental Allergies | ||
| Stomach Sensitivity | Low | Medium |
| Food Allergies | Chicken, Grains |
Health Maintenance
| Care Item | Irish Water Spaniel | Maltese |
|---|---|---|
| Nail Growth Rate | Normal | Normal |
| Eye Care Needs | Low | High |
| Anal Gland Issues | Occasional | Occasional |
Senior Care & Aging
Irish Water Spaniel Senior Care
Common Senior Issues
- Arthritis
- Vision decline
- Cognitive changes
Senior care varies by individual health.
Maltese Senior Care
Common Senior Issues
- Dental disease escalation
- Heart murmurs (MVD onset)
- Cataracts/vision loss
- Arthritis requiring furniture stairs
Significant dental intervention often needed by age 9+. Heart murmurs common - regular cardiac monitoring essential.
Grooming & Care
Irish Water Spaniel
high maintenanceMaltese
high maintenanceLifestyle Compatibility
Irish Water Spaniel Daily Life
Maltese Daily Life
Housing & Legal Restrictions
| Restriction | Irish Water Spaniel | Maltese |
|---|---|---|
| BSL Restricted | ||
| Common Rental Ban | ||
| Insurance Blacklist | ||
| Weight Category | Under 50lbs | Under 25lbs |
Climate Tolerance
| Climate | Irish Water Spaniel | Maltese |
|---|---|---|
| Heat Tolerance | ||
| Cold Tolerance | ||
| Water Affinity | Medium | Low |
Travel Compatibility
| Activity | Irish Water Spaniel | Maltese |
|---|---|---|
| Car Travel | Good | Good |
| Camping | ||
| Beach Friendly | ||
| Hiking Rating | ||
| Cabin Flight Eligible | ||
| Hotel Friendly Size |
Niche Suitability
| Role | Irish Water Spaniel | Maltese |
|---|---|---|
| Service Dog | Low | Low |
| Therapy Dog | Low | High |
| Deep Pressure Therapy | ||
| Canicross / Bikejoring | ||
| Apartment Adaptable | ||
| Tactile / Sensory Friendly | ||
| Livestock Guardian | ||
| Medical Alert | Low | Low |
Costs & Expenses
Upfront Costs
| Cost | Irish Water Spaniel | Maltese |
|---|---|---|
| Purchase Price | N/A | $2,000-4,000 |
| Initial Cost Range | $1,000–$2,500 | $2,000–$4,000 |
| Cost Tier |
Ongoing Costs
| Cost | Irish Water Spaniel | Maltese |
|---|---|---|
| Monthly Range | $120–$190 | $100–$180 |
| Yearly Range | $1,440–$2,280 | $2,000–$2,500 |
| Food / Month | $60-90 | $25-40 |
| Insurance / Month | $60-100 | $40-70 |
| Grooming / Session | $100-150 | $50-100 |
| Vet Routine / Year | N/A | $400-800 |
| Monthly Cost Tier |
Irish Water Spaniel Lifetime Cost
N/A
Maltese Lifetime Cost
$25,000-40,000
Quirks & Fun Facts
Daily Quirks
| Quirk | Irish Water Spaniel | Maltese |
|---|---|---|
| Snoring | ||
| Flatulence | Occasional | Rare |
| Slobber Level | Low | None |
| Smell When Wet | Moderate | Mild |
| Zoomies Frequency | Occasional | Weekly |
| Counter Surfing | ||
| Digging Tendency | Low | None |
Maltese Quirks
Reverse Sneezing
A common, alarming honking gasp sound caused by excitement or allergies. Usually harmless but terrifying for new owners.
Tear Staining
Rusty streaks under eyes caused by porphyrins in tears. Requires constant cosmetic management with daily wiping and filtered water.
Picky Eating
Master manipulators who may refuse food to hold out for something better. Don't give in or you'll create a monster.
Frequently Asked Questions
Turn your dog into a brand deal.
Pet brands are looking for authentic creators — not celebrities. If you own a Irish Water Spaniel or Maltese, you can get free products, gear, and exclusive perks just for sharing your dog's life on Instagram.
No followers minimum · Free to join
Compare with Other Breeds
Compare Irish Water Spaniel with:
Based on comprehensive breed research data.











