Breed # Sealyham Terrier The Sealyham Terrier is a terrier breed from Wales, standing 12 in at the withers, weighing 20 lb. Recorded lifespan is 12–14 yrs. ![A photograph of the Sealyham Terrier](https://www.woofandbeyond.com/breeds/lg/sealyham-terrier.webp) Breed group Terrier Origin Wales Height 12 in Weight 20 lb Lifespan 12–14 yrs Among the 500 breeds here with recorded measurements, the Sealyham Terrier is taller than 10% of the measured breeds, heavier than 15%, one of 31 in the Terrier group, one of 6 from Wales. Compare the Sealyham Terrier with another breed ## Living with the Sealyham Terrier Two breed references score every breed they cover from 1 to 5 on the things an owner lives with day to day. These are the Sealyham Terrier’s, with what a 1 and a 5 mean on each row. Around people and other dogs Affection with family 4 of 5 1 independent · 5 devoted Good with young children 4 of 5 1 not suited · 5 very good Good with other dogs 4 of 5 1 not suited · 5 very good Openness to strangers 4 of 5 1 reserved · 5 everyone is a friend Watchdog / protective nature 5 of 5 1 unbothered · 5 vigilant What they will ask of you Energy 4 of 5 1 couch potato · 5 busy all day Exercise needs 4 of 5 1 a short walk · 5 a job to do Playfulness 4 of 5 1 only when invited · 5 non-stop Barking 4 of 5 1 only to alert · 5 very vocal Around the house Shedding 4 of 5 1 barely · 5 constantly Drooling 2 of 5 1 a dry mouth · 5 keep a towel What they tolerate Tolerates being alone 2 of 5 1 poorly · 5 well Tolerates hot weather 3 of 5 1 poorly · 5 well Tolerates cold weather 4 of 5 1 poorly · 5 well Rated 1 to 5 by the American Kennel Club and DogTime, averaged where both rate the same thing, and read from their breed pages in 2022. Nobody at Woof & Beyond has met this breed — these are the publishers’ judgments, not ours.[Sealyham Terrier on AKC](https://www.akc.org/dog-breeds/sealyham-terrier/)[Sealyham Terrier on DogTime](https://dogtime.com/dog-breeds/sealyham-terrier) ## Breeds that look like the Sealyham Terrier A neural network trained to tell breeds apart by sight read all 510 photographs in this reference, and these are the 6 it placed closest to the Sealyham Terrier. - [![](https://www.woofandbeyond.com/breeds/cesky-terrier.webp)Cesky Terrier](https://www.woofandbeyond.com/breed/cesky-terrier/) - [![](https://www.woofandbeyond.com/breeds/wheaten-terrier.webp)Wheaten Terrier](https://www.woofandbeyond.com/breed/wheaten-terrier/) - [![](https://www.woofandbeyond.com/breeds/petit-basset-griffon-vendeen.webp)Petit Basset Griffon Vendéen](https://www.woofandbeyond.com/breed/petit-basset-griffon-vendeen/) - [![](https://www.woofandbeyond.com/breeds/petite-basset-griffon-vendeen.webp)Petite Basset Griffon Vendéen](https://www.woofandbeyond.com/dog-breed-explorer/?breed=Petite%20Basset%20Griffon%20Vend%C3%A9en) - [![](https://www.woofandbeyond.com/breeds/clumber-spaniel.webp)Clumber Spaniel](https://www.woofandbeyond.com/breed/clumber-spaniel/) - [![](https://www.woofandbeyond.com/breeds/cocker-spaniel.webp)Cocker Spaniel](https://www.woofandbeyond.com/breed/cocker-spaniel/) Side by side Height 0–38 in 1. Sealyham Terrier12 in 2. Cesky Terrier10–13 in 3. Wheaten Terrier18–20 in 4. Petit Basset Griffon Vendéen13–15 in 5. Petite Basset Griffon Vendéenno recorded figure 6. Clumber Spaniel16–20 in 7. Cocker Spaniel14.5–15.5 in Weight 0–220 lb 1. Sealyham Terrier20 lb 2. Cesky Terrier13–22 lb 3. Wheaten Terrier31–44 lb 4. Petit Basset Griffon Vendéen31–40 lb 5. Petite Basset Griffon Vendéenno recorded figure 6. Clumber Spaniel55–85 lb 7. Cocker Spaniel25–30 lb Lifespan 0–20 yrs 1. Sealyham Terrier12–14 yrs 2. Cesky Terrier12–15 yrs 3. Wheaten Terrier~11 yrs 4. Petit Basset Griffon Vendéen14–16 yrs 5. Petite Basset Griffon Vendéenno recorded figure 6. Clumber Spaniel10–12 yrs 7. Cocker Spaniel10–14 yrs Nothing here was grouped by hand. The ranking is an opinion about appearance, not about ancestry, which is why it sometimes puts together breeds no kennel club would — and why it is worth looking at the photographs rather than taking the order on trust. See the Sealyham Terrier on the breed map Read about the Sealyham Terrier on Wikipedia