Section 2 : Molossoid breeds

Section 2.1 : Mastiffs

Breeds In This Category: 

Boxer

BREED BASICS
Size: X-Large 55-90 lb Energy Level: High Energy
Grooming: Brushing Once a Week or Less LifeSpan: 10 to 12 Years
Protective Ability: Good Watchdog Trainability: Very Easy To Train

 

Although the Boxer is a relatively modern creation, not having been standardized into the modern breed until the last years of the 19th Century, the breed’s ancestors are several hundred,...

Broholmer

BREED BASICS
Size:
X-Large 55-90 lb
XX-Large 90-120 lb+
Energy Level: Medium Energy
Grooming: Brushing Once a Week or Less LifeSpan: 10 to 12 Years
Protective Ability: Good Watchdog Trainability: Moderate Effort Required

 

The Broholmer was first developed centuries before written records were kept of dog breeding, and as a result it is impossible to anything about its origins with much certainty. ...

Bulldog

BREED BASICS
Size:
Medium 15-35 lb
Large 35-55 lb
X-Large 55-90 lb
Energy Level: Varies From One Dog To The Next
Grooming: Brushing Once a Week or Less LifeSpan: 6 to 8 Years
Protective Ability: Varies From One Dog To The Next Trainability: Difficult to Train

 

The history of few breeds is as disputed as that of the Bulldog.  The Bulldog was created in an era where records of dog breeding did not exist, and was primarily kept by men who were ver...

Bullmastiff

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: Medium Energy
Grooming: Brushing Once a Week or Less LifeSpan: 8 to 10 Years
Protective Ability: Very Protective Trainability: Moderate Effort Required

 

The Bullmastiff is a relatively young breed, although its primary ancestors are quite old.  The Bullmastiff is the result of crosses between the English Mastiff and the Old English Bulldo...

Cane Corso

BREED BASICS
Size:
X-Large 55-90 lb
XX-Large 90-120 lb+
Energy Level: High Energy
Grooming: Brushing Once a Week or Less LifeSpan: 10 to 12 Years
Protective Ability: Very Protective Trainability: Very Easy To Train

 

Although the breed’s ancestry is very ancient, the Cane Corso as we know it today did not start to take shape until the 1970’s and 1980’s.  Originally used to described a type of dog rath...

Cao Fila de San Miguel

BREED BASICS
Size:
Large 35-55 lb
X-Large 55-90 lb
Energy Level: High Energy
Grooming: Brushing Once a Week or Less LifeSpan: 12 to 15 Years
Protective Ability: Very Protective Trainability: Moderate Effort Required

 

Most of the history of the Cao Fila de Sao Miguel is unknown.  This is because the breed developed long before written records were kept of dog breeding and that it was exclusive...

Cimarron Uruguayo

BREED BASICS
Size:
X-Large 55-90 lb
XX-Large 90-120 lb+
Energy Level: Medium Energy
Grooming: Rarely LifeSpan: 12 to 15 Years
Protective Ability: Very Protective Trainability: Moderate Effort Required

 

The Cimarron Uruguayo was first developed hundreds of years before written records were kept of dog breeding, and spent most of its history as a feral dog.  This means that most...

Dogo Argentino

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: High Energy
Grooming: Brushing Once a Week or Less LifeSpan: 10 to 12 Years
Protective Ability: Very Protective Trainability: Difficult to Train

 

The Dogo Argentino was the result of a carefully planned and executed breeding program conducted by Antonio Nores Martinez and his brother Agustin.  Because the pair kept excellent record...

Dogue de Bordeaux

BREED BASICS
Energy Level: Medium Energy
Grooming: Brushing Once a Week or Less LifeSpan: 6 to 8 Years
Protective Ability: Very Protective Trainability: Difficult to Train

 

Although only standardized into its modern form in the early part of the 20th Century, the Dogue de Bordeaux is one of the oldest of all French breeds.  This breed was developed in an era...

English Mastiff

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: Low Energy
LifeSpan: 6 to 8 Years
Protective Ability: Very Protective

 

The Mastiff is perhaps the oldest British dog breed, and the one for which the greatest amount of historical evidence exists.  This breed has been present in England for many centuries, a...

Fila Brasileiro

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: Medium Energy
Grooming: Rarely LifeSpan: 8 to 10 Years
Protective Ability: Very Protective Trainability: Difficult to Train

 

The Fila Brasileiro was developed in an era before written records were kept of dog breeding and was primarily kept in remote areas of tropical forest.  As a result, most of the...

Great Dane

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: Medium Energy
Grooming: Rarely LifeSpan: 10 to 12 Years
Protective Ability: Very Protective Trainability: Very Easy To Train

 

The Great Dane was developed many centuries before written records were kept of dog breeding.  As a result, virtually nothing is known for sure about its ancestry.  Many hav...

Neapolitan Mastiff

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: Low Energy
Grooming: A Couple Times a Week LifeSpan: 8 to 10 Years
Protective Ability: Very Protective Trainability: Moderate Effort Required

 

The Neapolitan Mastiff is a member of a group of dogs commonly known as Molossers or Mastiff-type dogs.  This group contains a large number of breeds from many countries, and is one of th...

Rottweiler

BREED BASICS
Size:
X-Large 55-90 lb
XX-Large 90-120 lb+
Energy Level: High Energy
Grooming: Brushing Once a Week or Less LifeSpan: 10 to 12 Years
Protective Ability: Very Protective Trainability: Moderate Effort Required

 

The Rottweiler is one of oldest surviving herding breeds, with an ancestry that likely extends back to ancient Rome.  This breed was created in an era when few were literate and next to n...

Shar Pei

BREED BASICS
Size:
Large 35-55 lb
X-Large 55-90 lb
Energy Level: Medium Energy
Grooming:
Brushing Once a Week or Less
Professional Grooming May Be Required
LifeSpan: 10 to 12 Years
Protective Ability: Very Protective Trainability: Difficult to Train

 

The Shar-Pei was created in a time when few records were kept of dog breeding and in rural areas where literacy was extremely rare.  As a result, very little is known for sure about the o...

Tosa Inu

BREED BASICS

Section 2.2 : Mountain Types

Breeds In This Category: 

Aidi

BREED BASICS
Size: Large 35-55 lb Energy Level: High Energy
Grooming: A Couple Times a Week LifeSpan: 10 to 12 Years
Protective Ability: Very Protective Trainability: Moderate Effort Required

 

Like many ancient breeds of dog, the true history of the Aidi is shrouded in some mystery. Many believe that it was the Phoenicians; an ancient civilization centered in the coastal re...

Anatolian Shepherd Dog

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: Medium Energy
Grooming: Rarely LifeSpan: 12 to 15 Years
Protective Ability: Very Protective Trainability: Moderate Effort Required

 

As early as 6000 years ago, a landrace of large sized, heavily boned domesticated dogs were living among humans.  The earliest duties of these canines were as hunting companions to man; h...

Cao de Castro Laboreiro

BREED BASICS
Size:
Large 35-55 lb
X-Large 55-90 lb
Energy Level: High Energy
Grooming: Brushing Once a Week or Less LifeSpan: 12 to 15 Years
Protective Ability: Very Protective

 

The history of the Cao de Castro Laboreiro is a great mystery.  Even the Portuguese Kennel Club states that anything written about the breed’s origins is pure conjecture an...

Central Asian Shepherd Dog

BREED BASICS
Size: XX-Large 90-120 lb+
Grooming: Rarely LifeSpan: 12 to 15 Years
Protective Ability: Very Protective Trainability: Difficult to Train

 

Almost nothing is known for certainty about the origins and early history of this breed.  These dogs were kept almost exclusively by nomadic herdsmen who left few if any archaeol...

Estrela Mountain Dog

BREED BASICS
Size:
X-Large 55-90 lb
XX-Large 90-120 lb+
Energy Level: Medium Energy
Grooming:
Brushing Once a Week or Less
Rarely
LifeSpan: 10 to 12 Years
Protective Ability: Very Protective Trainability: Moderate Effort Required

 

As is the case with most Portuguese breeds, the ancestry of the Estrela Mountain Dog is shrouded in mystery.  This dog was developed centuries before written records were kept of...

Hovawart

BREED BASICS

Landseer

BREED BASICS

Leonberger

BREED BASICS

Newfoundland Dog

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: Low Energy
Grooming: Everyday LifeSpan: 10 to 12 Years
Protective Ability: Good Watchdog Trainability: Moderate Effort Required

 

As controversial as they are varied; over the years several popular theories have arisen to explain the appearance of the large black dog on the island of Newfoundland. The first and...

Great Pyrenees

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: Medium Energy
Grooming: A Couple Times a Week LifeSpan: 10 to 12 Years
Protective Ability: Very Protective Trainability: Difficult to Train

 

Many dog fanciers assume that all large European livestock guardians are Mastiffs, also known as Mollossers.  As a result, for many years the Great Pyrenees was assumed to have been broug...

Rafeiro do Alentejo

BREED BASICS
Size:
X-Large 55-90 lb
XX-Large 90-120 lb+
Energy Level: Medium Energy
Grooming: A Couple Times a Week LifeSpan: 10 to 12 Years
Protective Ability: Very Protective Trainability: Moderate Effort Required

 

In prehistoric times, a mighty race of canines was used by the ancients in many capacities.  These impressively large and fierce dogs were known as Molossers, named for the Molos...

Sarplaninac

BREED BASICS

St. Bernard

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: Low Energy
Grooming:
A Couple Times a Week
Professional Grooming May Be Required
LifeSpan: 8 to 10 Years
Protective Ability: Good Watchdog Trainability: Moderate Effort Required

 

The St. Bernard is an old breed, and most of its early history has been lost to time.  However, most of its history from the 1700’s on is fairly well-documented, and much can be inferred...

Tibetan Mastiff

BREED BASICS
Size: XX-Large 90-120 lb+ Energy Level: Medium Energy
Grooming: A Couple Times a Week LifeSpan: 12 to 15 Years
Protective Ability: Very Protective Trainability: Difficult to Train

 

There has been, historically, a differentiation in types for the Tibetan Mastiff.  Although sprung from the same litters, these two types of Tibetan Mastiffs differ only in size and build...

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