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Sealyham Terrier Dog Breed… Everything You Need to Know at a Glance!

The Sealyham Terrier is often described as a “clown among terriers.” He is funny, charming, and always up to something. He is so tiny, but don’t tell him that – he thinks he is a big dog!

Faithful and friendly

The Sealy, as he is also called, is one of the friendliest of all Scottish Terriers. He likes being around people and is always curious about the world around him. He is like a small child in a lot of ways.  Additionally, this is not the dog that complains, whines, or sulks in a corner. The Sealyham always finds something to do and never gets bored.

You may even…

See him following ants, wondering what they are up to. Throw a tennis ball at him, and he will play with that for hours!  He is that sort of a dog.  He’s also very relaxed and laid-back and does not require much exercise. He mingles well with other dogs and feels comfortable in a multi-pet household. He is not like one of those toy dogs or show dogs that expect your 100% attention. He is cool that way.

He is a good watchdog…

The Sealy is mainly a family dog. But he is also naturally alert and suspicious, making for a good watchdog. You can trust him to bark loudly if he notices any stranger approaching the house – loud enough to wake you up.

Comparisons dog breeds

The Sealyham is often compared to other dogs in the Terriers Group, such as the Cesky Terrier and the famous Scottish Terrier. He is a working terrier-like them. But he is in a league of his own.

But remember…

Always get a Sealyham puppy from reputable Sealyham Terrier Breeders, people you trust. Never buy from puppy mills, as they are unethical about how they breed the puppies.

Good breeders consider genetic diversity and ensure the puppy comes from healthy parents. You can read the rest of this article to learn more about this breed.

Sealyham Terrier Dog Breed Fast Facts

Country of Origin: The UK, Wales

Original Purpose:  Hnt small to medium-sized game

Height: 10.5 inches

Weight: 20 to 24 pounds

Dog Breed Classification:  Terrier group

Life Span: 14 to 17 years

Origin of the Sealyham Terrier Dog Breed

The Sealyham Terrier is from the UK. He was bred by a British hunter named Captain John Edwardes.  Edwardes was patient and spent four decades developing this little Terrier from 1850 to 1891. Imagine that!

He did so by…

Crossing different breeds, such as the West Highland White Terriers, Fox Terriers, Dandie Dinmont Terriers, Cheshire Terriers, and the Corgis, until he was happy with what he got.  And in the end, he was pretty pleased with his creation even though Sealy was never the most popular dog in the world.  However, for those who have had the opportunity to own one of these little guys, you’ll be sure to learn that few are ever disappointed.


He was brought to the United States in the early 20th century and was recognized by the American Kennel Club in 1911.

Physical Characteristics

The Sealy is a small dog, hardly 10 inches in height. But you cannot help noticing him in a crowd, with his adorable looks, the pure white coat, the bushy beard and mustache, and the beautiful eyes that stare at you through the thick eyebrows.

Interestingly, his small size hides the fact that he is pretty muscular and robust, with a large head and round skull. His ears are folded right on top of his head and have rounded tips that extend to the corner of his eyes. His tail is upright and usually docked.


The most distinctive feature of this little Terrier is his beautiful white double coat, which is also weather resistant. The outer jacket is crisp and wiry, and the undercoat is thick and soft. It keeps him warm. His beard is white too.


The Sealyham is not a high-maintenance dog, but his coat must be brushed thrice weekly. Otherwise, there is a risk that the hair could get all tangled up. Brushing prevents matting.

 Personality and Temperament

Sealyham Terriers don’t get the credit they should. They are among the top 150 most popular dog breeds in the United States, but they should be ranked much higher than that.

These dogs may be small but have a fantastic temperament and oversized personality. They are funny, act clownish, and bring happiness and joy everywhere.

Good with kids?

These dogs are relaxed and calm most of the time and are also comfortable around small children.  They are lovely family pets and love children. Consider bringing your child a Sealyham Terrier puppy home – your kid cannot get a more perfect playmate than that! Kids adore this cute little dog.

He is also perfect for…

Single men and women, mainly because he is an independent dog and does not suffer from separation anxiety when left alone for too long. He is an excellent companion dog and a perfect family dog.

Potential Health Problems

Sealyham Terriers are a very healthy dog breed with an excellent life expectancy of 14 to 17 years. But like all dog breeds, they’re prone to specific health concerns.

Not to say that every Sealyham Terrier will get any or all of these ailments or diseases, but you should be aware of them as a dog owner.

The Sealyham is vulnerable to the following health issues…

  • Lens Luxation
  • Retinal Dysplasia.

Neither of these health concerns is life-threatening by any means. But their treatment can be expensive, especially if they become a chronic health issue.

Now, are you worried about the vet bills?

That’s understandable. We here at IndulgeYourPet suggest signing up for Pet Insurance for Sealyham Terriers. This can help cover some or most of the costs related to the treatment.

Please read this article on   Pet Insurance Policies, do your research, and find out how pet insurance works and what it covers or doesn’t cover.

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