The Sealyham Terrier is a loyal, brave, alert, independent, and even-tempered dog. He is very devoted to his family, and cheerful, fun and affectionate with those he knows. He is somewhat reserved around strangers, but will make friends once he sees that you have accepted the newcomer. He loves to play but is generally calm and inactive indoors. He is not an outside dog. He is known as the couch potato of the terrier world! He doesn't need a great deal of exercise, although he does need and enjoys a short daily walk or a romp or game outdoors. He is not active enough to go jogging with you. When outside, he should always be on a leash or in a safely enclosed area, since he has strong chase instincts and will go after small animals. He is not a good dog to leave alone in a yard, as he will dig and bark. He is also curious, and loves to explore and sniff out his surroundings. He is good at catching mice, rats and squirrels. He can be good with other pets, although he needs to be socialized with cats while he is still a puppy, and can be aggressive with other dogs of the same sex. He makes a good watchdog since he's a very keen listener, with a deep bark he will use to alert you to strange sounds or people. He generally doesn't bark too much, and is quiet and relaxed in the house. He is a challenging dog to train. He is quick to learn, but very strong-willed and independent, and he can be bossy and controlling. He needs firm and consistent training as well as obedience lessons so that he can learn his place in the house. He can be friendly and playful with well-behaved children, although he is generally better with older ones since he will respond to teasing by being snappy. He virtually doesn't shed, and so would be a good pat if you don't want dog-hair in the home.
The Sealyham Terrier is 10 to 11 inches tall (to shoulders) and weighs 18 to 24 pounds. He has a double coat consisting of a medium-length, wiry outer coat and a soft, thick undercoat. His coat color is all-white, or white with lemon, tan, brown or black.
Pet coat: His coat only needs to be brushed occasionally and clipped short every few months. Show coat: Brushed for 10 to 15 minutes twice a week to avoid matting and tangling, and stripped (dead hairs plucked out) every few months.
The Sealyham Terrier is named for the estate of Sealy Ham in Wales, once owned by John Edwards, who developed the breed between 1850 and 1891. To create a dog who would fearlessly hunt foxes, otter and badgers, he crossed Corgis with various terriers, and possibly even with Bassett Hounds. The resulting breed became extremely popular, with the first English Sealyham Terrier Club formed in 1910. Soon after, in 1911, the Sealyham was introduced to America, and was registered in the same year with the AKC. His popularity has declined however over the years, and he is now considered a "vulnerable," or rare, breed. His AKC popularity was 145th out of 157 breeds in 2007.