Field Spaniel vs Mastiff

Sporting · Medium vs Working · Giant

Quick take
  • Mastiff is the larger breed at 160–230 lbs (males) vs 35–50 lbs for the Field Spaniel.
  • The Field Spaniel typically lives longer (12–15 years).
  • The Field Spaniel has higher daily energy needs.
  • The Field Spaniel is generally more trainable.

Side-by-side traits

TraitField SpanielMastiff
Group
SportingWorking
Size
MediumGiant
Origin
EnglandEngland
Height (male)
18"30"
Height (female)
17"27.5"
Weight (male)
35–50 lbs160–230 lbs
Weight (female)
35–50 lbs120–170 lbs
Lifespan
Average expected lifespan.
12–15 years6–10 years
Energy level
Daily activity needs.
High (4/5)Low (2/5)
Trainability
How quickly the breed learns commands.
High (4/5)Moderate (3/5)
Intelligence
Problem-solving ability.
High (4/5)Moderate (3/5)
Exercise needs
Daily physical activity required.
High (4/5)Low (2/5)
Shedding
Lower = less hair around your home.
Moderate (3/5)Moderate (3/5)
Grooming effort
Brushing, bathing, professional grooming.
Moderate (3/5)Very Low (1/5)
Drooling
Lower = drier face and furniture.
Low (2/5)Very High (5/5)
Barking
How vocal the breed is.
Moderate (3/5)Low (2/5)
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)Very High (5/5)
Adaptability
Apartment / new environment tolerance.
Moderate (3/5)Moderate (3/5)
Coat length
longshort
Hypoallergenic
Lower-shedding, less dander.
NoNo
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About the Field Spaniel

The Field Spaniel is a sensitive, fun-loving, affectionate British spaniel — rare flushing breed, taller than a Cocker. Originally from England, this medium sporting breed typically weighs 35–50 lbs and lives 12–15 years. Breeders describe them as sensitive, fun-loving, affectionate.

About the Mastiff

The Mastiff is a courageous, dignified, good-natured giant — one of the most ancient breeds, formerly war dogs. Originally from England, this giant working breed typically weighs 160–230 lbs and lives 6–10 years. Breeders describe them as courageous, dignified, good-natured.

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Field Spaniel health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Eye disorders
  • Ear infections

Mastiff health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Heart disease
  • Cancer