Rat Terrier vs Spanish Water Dog

Terrier · Small vs Herding · Medium

Quick take
  • Spanish Water Dog is the larger breed at 40–49 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 Spanish Water Dog sheds less.

Side-by-side traits

TraitRat TerrierSpanish Water Dog
Group
TerrierHerding
Size
SmallMedium
Origin
USASpain
Height (male)
10–18"17.5–19.75"
Height (female)
10–18"15.75–18"
Weight (male)
10–25 lbs40–49 lbs
Weight (female)
10–25 lbs31–40 lbs
Lifespan
Average expected lifespan.
12–18 years12–14 years
Energy level
Daily activity needs.
Very High (5/5)High (4/5)
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.
Low (2/5)Very Low (1/5)
Grooming effort
Brushing, bathing, professional grooming.
Very Low (1/5)High (4/5)
Drooling
Lower = drier face and furniture.
Very Low (1/5)Very Low (1/5)
Barking
How vocal the breed is.
Moderate (3/5)Moderate (3/5)
Good with kids
High (4/5)High (4/5)
Good with other dogs
High (4/5)Moderate (3/5)
Good with strangers
Moderate (3/5)Moderate (3/5)
Protectiveness
Watchdog tendencies.
Moderate (3/5)High (4/5)
Adaptability
Apartment / new environment tolerance.
High (4/5)Moderate (3/5)
Coat length
shortlong
Hypoallergenic
Lower-shedding, less dander.
NoYes
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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.

About the Spanish Water Dog

The Spanish Water Dog is a loyal, smart, athletic Spanish all-purpose herder, hunter, and water-rescuer with a curly cord coat. Originally from Spain, this medium herding breed typically weighs 40–49 lbs and lives 12–14 years. Breeders describe them as loyal, smart, athletic.

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Rat Terrier health

Common health concerns reported in this breed:

  • Patellar luxation
  • Hip dysplasia
  • Heart issues

Spanish Water Dog health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Eye disorders
  • Hypothyroidism