Tosa Inu

Strong and sturdy, the Tosa Inu is the biggest among Japanese dog breeds. These dogs have a noble presence and are known for their guarding abilities. They have a wide, wrinkly head, floppy ears, and a slim tail. Their fur is short and thick, often showing patterns on their chest and paws. Tosa Inus are calm and courageous, usually keeping a watchful eye on their surroundings. They are loving towards their families but tend to be distant and cautious around new people, trusting their protective nature. They are also referred to as Tosa Ken, Tosa Token, Tosa, and Japanese Mastiff.

Quick Info

Size
Extra large
Colours
Red, fawn, black, or brindle
Lifespan
10 to 12 years
Height
22 to 24 inches
Type
Mastiff
Hypoallergenic
no
Weight
100 to 200 pounds
Family

Personality

The Tosa Inu is a breed that is both attentive and noble. These dogs are calm and courageous, always on the lookout but not hostile. They tend to grow up gradually, often not becoming fully mature until they are about 4 years old.

History

Mastiffs, Bulldogs, German Pointers, and Great Danes were brought to Japan and bred with local dog types. The name of this breed comes from the Tosa area in Japan. These dogs are greatly respected, and although the Tosa Inu is uncommon, it is valued as both a guard dog and a friend, both in Japan and other places.

Ideal Owner

The Tosa is a big and calm dog that is both patient and courageous. Usually, they are quiet and well-behaved, showing a gentle nature. However, they need owners who understand how to manage large breeds. While they are usually friendly with people, they might show aggression towards other dogs, so it's important for their owners to train and socialize them effectively.

Exercise Needs

Even though Tosa dogs are quite big, they only require a moderate amount of exercise to stay healthy and manage their weight. They love to run freely in a secure yard, take walks on a leash, or pick up new tricks.

Space Requirements

Tosa Inus can reach weights of around 200 pounds, so it's important to have a home that suits their size. They require a safe, enclosed space to play and should always be on a leash when taken out in public.

Training

Using positive reinforcement is the most effective way to train a Tosa dog. These dogs want to make their owners happy and can do well in obedience training, which is crucial for managing a large dog. It's also vital to socialize them to stop them from being overly protective of their space.

Grooming

The Tosa Inu has a thick, short coat that is easy to care for and only requires regular brushing. You can give it a bath when necessary, but bathing such a big dog might require a few people to help out!

Suitability for Family Life

The Tosa Inu can make a great pet for families when cared for by people who understand the requirements of a large dog. These dogs are intelligent, loving, and kind, showing loyalty to their families. They may seem distant and observant around unfamiliar faces, reflecting their history as guard dogs. Families with older kids or those without children tend to be the best match for a Tosa Inu.

Did You know?

The Tosa Inu, also known as the Japanese Mastiff, holds the title of the biggest dog breed from Japan.

Similar Breeds

Bullmastiff
Mastiff

Need to Know

Dog suitable for owners with some experience
Extra training required
Potential health risks
Enjoys active walks
Large dog
Some drool
Requires grooming
Quiet dog