Home / Breeds / Sealyham Terrier / Similar breeds
Leading the matches for Sealyham Terrier is Lucas Terrier, thanks to the same family, the same group, plus the same size class. It stands 9.5 to 11 inches tall, weighs 23 to 24 pounds, and lives 12 to 14 years. Completing the top three are Scottish Terrier and Miniature Bull Terrier, close contenders with somewhat larger differences from the first pick.
The scoring order is kept in what follows, and each entry shows its working against the Sealyham Terrier.
First place in the scoring goes to the Lucas Terrier. Both sit in the terriers and pinschers grouping and carry the Terrier group label. Both stand in the small class, 9 to 12 inches next to 9.5 to 11 inches. Life expectancy is another close figure, 12 to 14 years and 12 to 14 years. Little separates them beyond small shifts in the numbers already noted.
Go deeper: the Lucas Terrier profile or breeds similar to the Lucas Terrier.
A strong second place belongs to the Scottish Terrier. Both records read the same way: terriers and pinschers at family level, Terrier at group level. The size records line up: small for both, 9 to 11 inches and 9.5 to 11 inches. Weights nearly overlap as well, 18 to 22 lb against 23 to 24 lb. The differences are of degree rather than kind: a step in the figures here, a shade in the record there.
Go deeper: the Scottish Terrier profile or breeds similar to the Scottish Terrier.
The Miniature Bull Terrier belongs in this company on the strength of its record. They share the terriers and pinschers family shelf and the Terrier group label. Height barely divides them, 10 to 14 inches against 9.5 to 11 inches; both are small dogs. Weights nearly overlap as well, 18 to 28 lb against 23 to 24 lb. Little separates them beyond small shifts in the numbers already noted.
Go deeper: the Miniature Bull Terrier profile or breeds similar to the Miniature Bull Terrier.
The Australian Terrier belongs in this company on the strength of its record. Both records read the same way: terriers and pinschers at family level, Terrier at group level. The size records line up: small for both, 10 to 11 inches and 9.5 to 11 inches. The differences are of degree rather than kind: a step in the figures here, a shade in the record there.
Go deeper: the Australian Terrier profile or breeds similar to the Australian Terrier.
Further along the same scoring, the Dandie Dinmont Terrier still lands close. Both sit in the terriers and pinschers grouping and carry the Terrier group label. Both stand in the small class, 8 to 11 inches next to 9.5 to 11 inches. The contrast is gentle, mostly a matter of slightly wider or narrower ranges.
Go deeper: the Dandie Dinmont Terrier profile or breeds similar to the Dandie Dinmont Terrier.
The Border Terrier earns its place in this set on the recorded numbers. The size records line up: small for both, 10 to 11 inches and 9.5 to 11 inches. Little separates them beyond small shifts in the numbers already noted.
Go deeper: the Border Terrier profile or breeds similar to the Border Terrier.
| Breed | Size | Height | Weight | Lifespan | Family |
|---|---|---|---|---|---|
| Sealyham Terrier | Small | 9.5 to 11 in | 23 to 24 lb | 12 to 14 yrs | Terriers and pinschers |
| Lucas Terrier | Small | 9 to 12 in | 14 to 20 lb | 12 to 14 yrs | Terriers and pinschers |
| Scottish Terrier | Small | 9 to 11 in | 18 to 22 lb | 12 to 15 yrs | Terriers and pinschers |
| Miniature Bull Terrier | Small | 10 to 14 in | 18 to 28 lb | 11 to 13 yrs | Terriers and pinschers |
| Australian Terrier | Small | 10 to 11 in | 15 to 20 lb | 12 to 15 yrs | Terriers and pinschers |
| Dandie Dinmont Terrier | Small | 8 to 11 in | 18 to 24 lb | 13 to 15 yrs | Terriers and pinschers |
| Border Terrier | Small | 10 to 11 in | 12 to 16 lb | 12 to 14 yrs | Terriers and pinschers |
On size alone, Miniature Bull Terrier is the heaviest pick in this set, while Border Terrier is the lightest, giving the list a noticeable spread at both ends overall.
The records point to the Lucas Terrier, ahead on a shared family, the same group, a matching size class and a close lifespan. The Scottish Terrier follows in second place.
Smaller on both counts in the records: the Scottish Terrier stands 9 to 11 inches and weighs 18 to 22 lb, against 9.5 to 11 inches and 23 to 24 lb for the Sealyham Terrier.
On the recorded ranges the Dandie Dinmont Terrier lives longest of the matches, 13 to 15 years against the Sealyham Terrier at 12 to 14 years.