DogMatchUp

Miniature American Shepherd vs Mastiff

Comprehensive comparison of two popular breeds to help you decide which one might be the better fit for your lifestyle and preferences.

Miniature American Shepherd
Small

Miniature American Shepherd

Herding Group

Mastiff
Giant

Mastiff

Working Group

Quick Comparison

Size

Miniature American Shepherd Small
Mastiff Giant

Lifespan

Miniature American Shepherd 12-13 years
Mastiff 6-10 years

Exercise Needs

Miniature American Shepherd 4/5
Mastiff 3/5

Grooming Needs

Miniature American Shepherd 5/5
Mastiff 2/5

Breed Overview

Miniature American Shepherd Overview

Miniature American Shepherds showcase a compact yet athletic build, embodying the intelligence and agility of their larger Australian Shepherd ancestors. Their expressive almond-shaped eyes and medium-sized ears complement a well-proportioned head, while their double coat features various colors including black, blue merle, red, and red merle with white markings. These dogs display remarkable herding instincts combined with an eager-to-please attitude.

Origin: Unknown
Life Expectancy: 12-13 years
Size: Small
Temperament: Good-Natured, Intelligent, Devoted

Mastiff Overview

Massive and powerful, the Mastiff embodies strength with a gentle soul. Their distinctive wrinkled forehead and broad skull create an imposing yet noble appearance. Standing up to 30 inches at the shoulder with a deep chest and muscular build, these giants possess a short fawn or apricot coat with a dark mask. Despite their intimidating size, Mastiffs display remarkable gentleness and dignified composure.

Origin: Unknown
Life Expectancy: 6-10 years
Size: Giant
Temperament: Courageous, Dignified, Good-Natured

Key Differences

  • Energy Level: Miniature American Shepherds are more energetic than Mastiffs, requiring more daily exercise.
  • Grooming: Miniature American Shepherds require more grooming attention compared to Mastiffs.
  • Temperament: While both breeds are intelligent, Miniature American Shepherds tend to be more reserved with strangers than Mastiffs.
  • Trainability: Mastiffs may be slightly easier to train due to their Mastiff's higher intelligence ranking.
  • Living Situation: Miniature American Shepherds adapt better to apartment living, while Mastiffs typically prefer homes with more space.

Detailed Comparison

Below is a comprehensive side-by-side comparison of the Miniature American Shepherd and Mastiff, covering everything from physical characteristics to care requirements.

Basic Information

Feature Miniature American Shepherd Mastiff
Size Small Giant
Life Expectancy 12-13 years 6-10 years
Country of Origin Unknown Unknown
Breed Group Herding Group Working Group

Physical Characteristics

Feature Miniature American Shepherd Mastiff
Height
13-18 inches
33-46 cm
27-30 inches
70-76 cm
Weight
20-40 lbs
9-18 kg
120-230 lbs
54-104 kg
Coat Type Short, dense coat Medium coat
Coat Length Short Medium
Shedding Frequent Occasional

Temperament & Behavior

Feature Miniature American Shepherd Mastiff
Temperament Good-Natured, Intelligent, Devoted Courageous, Dignified, Good-Natured
Energy Level
4/5
3/5
Intelligence
1/5
3/5

Compatibility

Feature Miniature American Shepherd Mastiff
Good with Children
5/5
3/5
Good with Other Dogs
5/5
3/5
Apartment Friendly
3/5
2/5

Temperament & Personality

Miniature American Shepherd Temperament

Good-Natured Intelligent Devoted

The Miniature American Shepherd is known for being good-natured, intelligent, devoted, making them excellent family dogs. Their moderate intelligence means they can be trained with consistent effort. They tend to be reserved with strangers, which makes them good watchdogs. With their high energy levels, they need plenty of exercise and mental stimulation to prevent boredom and destructive behaviors.

Mastiff Temperament

Courageous Dignified Good-Natured

The Mastiff is characterized by being courageous, dignified, good-natured, which makes them better for households without small children. With their moderate intelligence, they can learn with consistent training methods. They're naturally cautious around strangers, which enhances their ability to serve as watchdogs. Their moderate energy level makes them versatile companions that can adapt to your activity level, though regular exercise is still important.

Temperament Comparison

When comparing the Miniature American Shepherd and Mastiff, there are notable differences in their temperaments that potential owners should consider:

Sociability with Strangers

Miniature American Shepherd
3/5
Mastiff
3/5

Good with Children

Miniature American Shepherd
5/5
Mastiff
3/5

Side-by-Side Trait Ratings

GOOD WITH YOUNG CHILDREN

Miniature American Shepherd

Not Recommended Good With Children

Rating: 5/5

Mastiff

Not Recommended Good With Children

Rating: 3/5

GOOD WITH OTHER DOGS

Miniature American Shepherd

Not Recommended Good With Other Dogs

Rating: 5/5

Mastiff

Not Recommended Good With Other Dogs

Rating: 3/5

ENERGY LEVEL

Miniature American Shepherd

Low High

Rating: 4/5

Mastiff

Low High

Rating: 3/5

TRAINABILITY / INTELLIGENCE

Miniature American Shepherd

Challenging Easy to Train

Rating: 1/5

Mastiff

Challenging Easy to Train

Rating: 3/5

GROOMING NEEDS

Miniature American Shepherd

Low High

Rating: 5/5

Mastiff

Low High

Rating: 2/5

Care & Maintenance

Miniature American Shepherd Care Requirements

Exercise Needs

4/5

Miniature American Shepherds require significant daily exercise, including at least 60-90 minutes of physical activity. This can include walks, play sessions, and more vigorous activities like running, swimming, or fetch.

Grooming Requirements

5/5

With their short, dense coat coat, Miniature American Shepherds require frequent grooming. This includes brushing several times per week to prevent matting and reduce shedding. Professional grooming every 4-8 weeks is recommended.

Mastiff Care Requirements

Exercise Needs

3/5

Mastiffs need regular daily exercise, including about 30-60 minutes of physical activity. This should include walks, play sessions, and moderate activities like walking and interactive play.

Grooming Requirements

2/5

With their medium coat coat, Mastiffs require moderate grooming. This includes regular brushing to maintain coat health and reduce shedding. Occasional professional grooming may be helpful.

Health & Lifespan

Miniature American Shepherd Health Profile

Average Lifespan: 12-13 years

Common Health Issues:

  • Hip Dysplasia
  • MDR1 Gene
  • PRA
  • Collie Eye Anomaly
  • Epilepsy

Mastiff Health Profile

Average Lifespan: 6-10 years

Common Health Issues:

  • Hip Dysplasia
  • Bloat
  • Heart Issues
  • Eye Problems
  • Elbow Dysplasia

Pros & Cons

Miniature American Shepherd

Pros

  • Highly intelligent and trainable
  • Excellent family companion
  • Versatile working ability
  • Compact size
  • Strong herding instincts

Cons

  • High exercise needs
  • Regular grooming required
  • Can be vocal
  • Strong herding instinct may need management
  • Requires consistent training

Mastiff

Pros

  • Gentle and patient nature
  • Excellent guard dog
  • Good with family
  • Low grooming needs

Cons

  • Heavy drooling
  • Shorter lifespan
  • Requires significant space
  • High food costs

Ready to Find Your Perfect Match?

Now that you've compared the Miniature American Shepherd and Mastiff, explore more breeds or use our breed matching tool to find the perfect dog for your lifestyle.