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  • Breed: Caviston
  • Group: Designer
  • Height:
  • Weight: 15-25 lbs
  • HypoAllergenic: No
  • Coat: Short, Smooth
  • Activity:
  • With Children:
  • With Animals:
  • Grooming:
  • Guard:
  • Trainability:


Our Caviston puppies for sale are a cross between the Cavalier King Charles Spaniel and the Boston Terrier. Both parent breeds have a rich history of being close companions to humans, and you’ll understand why when you experience the Caviston’s easy-going, people-loving personality!

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overview of the Caviston Dog Breed

Are you looking for a small, friendly, even-tempered dog that’s good with children and other pets?

Browse our Caviston puppies for sale below!

The Caviston, also called Boston Terrier Cavalier Mix, is a cross between the Cavalier King Charles Spaniel and the Boston Terrier. These low-maintenance dogs are known for their round, expressive eyes, gentle personalities, and people-loving personalities and are ideal for families!

Purchase your Caviston puppy today and enjoy a friendly, easy-going dog with heart-melting eyes!

Check out our other available dog breeds on our “all breeds” page.

Caviston temperament

Easy-going: Both Boston and Terriers and Cavalier King Charles Spaniels are sweet, even-tempered breeds that get along with children and other pets.

Eager to please:
Cavistons love their owners and love to please! They are charmers and have sweet, sensitive hearts.

Gentle: They have a gentle and friendly demeanor, making them excellent family pets. They are typically good with children and other animals.

Friendly and Sociable: Cavistons are friendly and sociable dogs. They often have a charming and outgoing personality, making them good companions.

Cavistons are low-maintenance, a portable size, and they make good travelers. They are also sociable and make new friends wherever they go!

Their easy-going personality, love of people, and desire to please make Cavistons easy to train.

Heart-melting eyes:
One glance at a Boston Terrier or a Cavalier, and you’ll
notice their big, round, dark eyes. Cavistons inherit their parents’ beautiful, expressive eyes.

Caviston Breed history

Crossing breeding to create designer dogs has become popular in the last twenty years. The Caviston, or Boston Terrier Cavalier, is one of the new designer breeds. This means there is little to no history available on this designer breed at this point.

However, the Boston Terrier and Cavalier King Charles Spaniel both have rich histories! Learning about these breeds will give you a better understanding of what to expect from your Caviston puppy!

Named after its origin city of Boston, Massachusetts, the Boston Terrier is one of the few dog breeds with its origin in the United States.

While accounts vary on its exact origin, most agree that the first Boston Terrier was a cross between a Bulldog and the English White Terrier (now extinct) in the late 1800s.

Originally called Boston Bull Terriers or American Bull Terriers, the name was changed to Boston Terrier and recognized as a breed by the American Kennel Club in 1893.

The Boston Terrier became the first AKC breed recognized as being developed in the United States.

Care was taken in the 1900s to preserve the breed’s distinctive coat markings and “tuxedo” features. In the early 1900s, it was one of the most popular dog breeds in the United States, and it wasn’t until the 1960s that the Boston Terrier dropped out of the top ten most popular dog breeds.

Today, the Boston Terrier ranks 21 out of all breeds registered by the AKC.

Toy Spaniels have been owned by nobility since Renaissance times. King Charles l and his son King Charles ll were especially known for their love of these Toy Spaniels.

Over time, the toy Spaniels were interbred with Pugs and other small breeds of Asian descent. They developed slightly different features than the original Spaniels that were bred by King Charles l and ll.

In the 1920s, an American woman, Roswell Eldrige, offered a prize to the British breeder who could create a toy Spaniel of the “old world style.” This revived spaniel breed is now called the Cavalier King Charles Spaniel.

Today, the Cavalier ranks 18 out of all breeds registered by AKC.

A few mixes similar to Cavistons include Cavachons, Frenchtons, and Cavapoos.

Caviston Average size

Adult Cavistons usually range from 12 to 16 inches tall at the shoulder and weigh around 15 to 25 pounds.

Average Caviston lifespan

Cavistons, also called Boston Terrier Cavaliers, have an average lifespan of 12-15 years old.

Caviston body features

Boston Terriers are famous for their white and black markings, which looks like a tuxedo. They also have large round eyes, and a short nose that gives them a flat face look. 

Cavaliers are known for their heart-melting round eyes, soft coats, and floppy ears. 

Your Caviston pup will be a mix of the two. Cavistons often have triangular ears, a stocky build, a short coat, and of course, those gorgeous soft eyes! 

Cavistons can be a wide variety of colors, including chestnut and white, black and white, black and tan, black brindle and white, brindle and white, and seal and white.

grooming Your Caviston Puppy

Cavistons, or Boston Terrier Cavalier mixes, are low-maintenance dogs as far as grooming goes. 

Brushing weekly with a soft-bristle brush will remove most of the hair and keep shedding to a minimum. Bathe as needed. 

Check ears frequently for signs of infections. Wipe ears and eyes regularly with a warm, damp cloth to remove build-up. 

Trim nails and brush teeth regularly as part of your dog’s grooming routine.

Keeping Your Caviston Puppy Healthy

Here are some health conditions to be aware of in the Boston Terrier and the Cavalier. 

Both breeds are known for their large eyes, and their eyes can become irritated or infected. Keep a close watch for redness or irritations. A few drops of pet eye saline can help to flush dust or debris from their eyes. 

They also are susceptible to eye conditions, including cataracts, corneal ulcers, retinal problems, and glaucoma. 

Because of their small noses and flat face, some Boston Terriers can develop breathing issues. Most of these are minor and result in snoring or snuffing. However, they can overheat quickly or struggle to breathe with excessive exercise. Talk to your vet about the right amount and type of exercise for your specific mix. 

Like all dog breeds, Cavistons are susceptible to hip and elbow dysplasia, two of the most common health issues among dogs.

Hip and elbow dysplasia occurs when the leg or hip becomes weakened, and it can result in arthritis or potential lameness if not addressed.

One of the best ways to prevent this is by keeping your dog from running excessively on hard surfaces, especially when they are puppies.

You also can protect your dog from another common health problem: obesity. One of the best ways to extend your dog’s life is by feeding them the correct amount of food and giving them adequate exercise.

Typical Caviston Allergens

What are allergens, and where do they come from? 

Allergens are caused by dander, which is dead skin cells. Both animals and humans shed these dead skin cells. Dander is attached to the hair that dogs shed. 

The Caviston, or a Boston Terrier Cavalier Mix, are not considered allergen-friendly dogs. 

However, they have short coats and are smaller dogs, so it is easier to keep shedding (and allergens) at a minimum with regular bathing and brushing. 

If you or someone in your home has animal allergy concerns, please consult your health provider before adopting a puppy.

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