Tosa vs Chesapeake Bay Retriever - Breed Comparison

Known also as the Japanese Mastiff, the Tosa hails from Japan. In fact, these dogs come from the Tosa Province, so the dog was named after the region where they were bred.

It is why they are sometimes referred to as Japanese Mastiffs. The Tosa is a rare dog breed and unfortunately, the dog is still used in Japan for dogfighting.

Thought to be a dangerous dog breed, it is restricted in some countries.

The breed was developed in the 2nd half of the 19th century, with a number of dog breeds being involved to bring about a more powerful, braver dog.

Fondly referred to as the Chessie, the ‘Labrador-look-alike’ Chesapeake Bay Retriever’s history extends to St. Johns Newfoundland pups which were rescued off a ship off the coast of Maryland in 1807. The Chesapeake is an American breed.

It is believed that the Newfoundland puppies as they grew, were bred with area dogs, with there being few records of the early dogs, but it is believed that spaniels and dogs were included.

In 1918 the Chesapeake Bay Retriever was recognized by the American Kennel Club and in 1964 the dog was declared the official dog of Maryland.

The Tosa is a large dog, but their sizes vary, and in fact, because of their fighting, they are actually divided into light-, middleweight and heavyweight classes.

Generally, you can say that these dogs weigh in the region of 54 to 90kg and they stand in height at between 62 to 82cm. The head is large, the jaws powerful, the eyes dark brown in color, the ears small, high set and floppy.

The neck is broad wit a dewlap and the tail is long, thick and tapering to a point. The coat is short and thick and is most times a rich caramel color, fawn tan, black or brindle. The dog often has a black mask.

Temperament:

The Tosa is a fairly quiet dog, courageous and fearless. He is going to need a strong, consistent owner who shows leadership with him. Training and socialization will be imperative for this dog.

When he has been properly reared and trained, he makes a good pet, able to get on with members of the family. He takes his role as protector and guardian seriously.

The Chesapeake is a large dog belonging to the Sporting breed group. Perhaps one of the more distinctive features of the Chesapeake Bay Retriever is the yellowish eyes.

This is a strong, well muscled dog that stands anywhere from 61 – 66cm and weighs between 30 – 45kg. The short, thick coat of the dog is waterproof and comes in colors ranging from brown to reddish yellow to chestnut shades.

The head of the Chesapeake is broad and roundish with medium length floppy ears. The tail is long. The toes are webbed which helps makes the dog an excellent swimmer as well.

Temperament:

The Chesapeake Bay Retriever is a happy kind of dog with a bright, alert, intelligent expression. He loves water and is guaranteed to make a wonderful pet for any family.

With his wonderful characteristics, it is worth training him and socializing him as this training sets parameters for him so that he becomes a wonderfully obedient dog that gets on well with other pets in the home as well as with children.

The Tosa isn’t recommended for first-time dog owners, as in the wrong hands, they can become aggressive. Care has to be taken around children too especially undisciplined ones.

He also doesn't come as recommended for small, cramped homes in the city. He’s just too big and he will need to get out and be walked often.

You want to create a home for him that ensures he is the calm, gentle dog he is capable of being, If you’re fair, firm, caring, patient and consistent, then this big dog might be for you. With the right care he becomes a gentle, devoted pet.

The Chesapeake Bay Retriever is ready to be your best friend and companion. This dog breed is highly active and he’ll fit easily into a family that is active and can ensure he is involved in all their activities.

He loves human companionship and is protective, making him a good watchdog.

The beauty about the Chesapeake Bay Retriever is that he is generally an even tempered dog, and once trained and socialized, becomes a truly splendid pet, one that will be loving and loyal with his owners.

The Tosa is a formidable looking molossoid, but even so, this big, calm dog can succumb to illness. Some of these diseases you need to be looking out for include bloat,hip dyslasia and eye conditions.

Bloat for this dog can be life-threatening, and can often be because the dog is too hungry and he gobbles up his food quickly. Bloat is when gas can't escape, the stomach swells and twists – very dangerous. Rather give your dog two smaller meals – one in the morning and one in the evening, or even give several smaller portions throughout the day.

To help with eliminating health issues always choose a reputable Tosa breeder. You’re not likely to find one of these dogs in a dog shelter.

By taking good care of your Chesapeake, you can ensure his teeth remain strong, his nose is wet and his coat glossy and healthy. He is a robust breed as it is, but there are always some common dog diseases to watch out for -

Obesity:

Obesity is an ailment that is afflicting many humans and their pets. Being overweight can bring on a host of unwanted diseases. Obesity is a serious disease that can contribute to digestive disorders, back pain, heart disease and joint problems.

Instead of showering him with little treats to show him how much you love him, rather stroke him or play a game with him – it’s the ultimate treat for him – your attention.

Spay or Neuter:

Remember that if you aren’t going to let your Chessie become a parent, the best thing you can do for your male or female is to have them spayed or neutered. In fact, spaying or neutering can decrease the likelihood of your pet getting certain types of cancers as well as other illnesses. Speak to your vet and discover how these procedures can be very beneficial for your pet.

Diet:

These large, strong dogs do well on good quality food. If you opt to buy him commercially manufactured food, make sure it is the top quality one free of unwholesome ingredients such as preservatives, colorants and useless fillers.

Invest in the best quality ones that have nutritious minerals and vitamins. Try and give your dog some home-prepared food too – boiled chicken, brown rice or pasta, spinach, sweet-potatoes and carrots.

Never feed your dog things such as chocolates, peanuts, crisps, grapes, onion and food with spicy flavorings. This will just ensure digestive problems and having to get your dog to the vet.

Cool, fresh water should be available at all times.

Grooming:

The Tosa’s short coat isn’t going to require too much attention. A good brush twice a week will keep it free from loose hair and keep its shine and gleam. It’s why the dog is looked upon as being low maintenance.

Beyond that, he will need to have his nails trimmed. When brushing him, check him over for parasites – ticks and fleas, check for unusual lumps and look inside his ears for signs of redness.

Exercise:

These dogs are calm and fairly low-energy. Nonetheless, to maintain good health, he will need to be exercised. Ball games outside are always a good idea as well as nice long walks. Hikes into the countryside will be wonderful for this big dog.

Grooming:

The Chesapeake Bay Retriever sheds fairly heavily throughout the year. The coat should be brushed at least twice a week to remove dead hair. Brushing is good for the dog too as it distributes the oils of the skin, making his coat shinier.

Because the Chesapeake has floppy ears, the ears will need to be checked on a weekly basis for signs of infection. This is of particular importance if your Chessie loves to spend time splashing around in water. The veterinarian can recommend and also advise on cleaners for your dog’s ears.

Diet and Exercise:

An excellent diet and plenty of exercise will ensure your Chessie can live to be 11, 12 or 13 years of age. You want to keep his diet of kibble, rice, vegetables and meat consistent so as not to upset his stomach.

Avoid giving him foods such as chocolates. Do research on the harm you can do to your pet when you feed him some human foods that are entirely not meant for a dog’s digestive system.

Make sure to always have a constant supply of fresh, clean water for him.

The Chesapeake Bay Retriever has always loved to be active - hunting for- and retrieving birds from rivers and lakes. He is used to being active and will require a good supply of exercise. Take him for long walks and let him join you on your runs or your cycling.