Sealyham Terrier breeds

# Breed AKC group Size Weight Lifespan
163 Sealyham TerrierA rare, low-slung Welsh terrier with a white, weatherproof coat and a sturdy body, steady and companionable at home but bold when roused. Terrier Group Small 23 to 24 lb 12 to 14 years

Ranked by the American Kennel Club's 2025 registration popularity. The three breeds it recognized in January 2026 follow. Weights are typical adult ranges; sizes are this site's classes: small under 25 lb, medium 25 to 60 lb, large over 60 lb.