Irish Water Spaniel vs Rat Terrier

Sporting · Large vs Terrier · Small

Quick take
  • Irish Water Spaniel is the larger breed at 55–68 lbs (males) vs 10–25 lbs for the Rat Terrier.
  • The Rat Terrier typically lives longer (12–18 years).
  • The Rat Terrier has higher daily energy needs.
  • The Irish Water Spaniel sheds less.

Side-by-side traits

TraitIrish Water SpanielRat Terrier
Group
SportingTerrier
Size
LargeSmall
Origin
IrelandUSA
Height (male)
22–24"10–18"
Height (female)
21–23"10–18"
Weight (male)
55–68 lbs10–25 lbs
Weight (female)
45–58 lbs10–25 lbs
Lifespan
Average expected lifespan.
12–13 years12–18 years
Energy level
Daily activity needs.
High (4/5)Very High (5/5)
Trainability
How quickly the breed learns commands.
High (4/5)High (4/5)
Intelligence
Problem-solving ability.
Very High (5/5)Very High (5/5)
Exercise needs
Daily physical activity required.
High (4/5)High (4/5)
Shedding
Lower = less hair around your home.
Very Low (1/5)Low (2/5)
Grooming effort
Brushing, bathing, professional grooming.
High (4/5)Very Low (1/5)
Drooling
Lower = drier face and furniture.
Very Low (1/5)Very Low (1/5)
Barking
How vocal the breed is.
Low (2/5)Moderate (3/5)
Good with kids
High (4/5)High (4/5)
Good with other dogs
Moderate (3/5)High (4/5)
Good with strangers
Moderate (3/5)Moderate (3/5)
Protectiveness
Watchdog tendencies.
Moderate (3/5)Moderate (3/5)
Adaptability
Apartment / new environment tolerance.
Moderate (3/5)High (4/5)
Coat length
longshort
Hypoallergenic
Lower-shedding, less dander.
YesNo
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About the Irish Water Spaniel

The Irish Water Spaniel is a playful, hardworking, brave water retriever — Ireland's sporting clown with a famous rat-tail. Originally from Ireland, this large sporting breed typically weighs 55–68 lbs and lives 12–13 years. Breeders describe them as playful, hardworking, brave.

About the Rat Terrier

The Rat Terrier is a friendly, lovable, alert American farm terrier — President Roosevelt's favorite, born to clear vermin. Originally from USA, this small terrier breed typically weighs 10–25 lbs and lives 12–18 years. Breeders describe them as friendly, lovable, alert.

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Irish Water Spaniel health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Eye disorders
  • Hypothyroidism

Rat Terrier health

Common health concerns reported in this breed:

  • Patellar luxation
  • Hip dysplasia
  • Heart issues