
AI-generated image
Welsh small terrier with white wiry coat and prominent beard. Calm, charming family companion.
The Sealyham Terrier is a rare Welsh breed of small to medium-sized terrier that originated in Wales as a working dog. It is principally a white-bodied, rough-coated breed developed in the mid-to-late 19th century for hunting vermin such as badgers, otters and foxes. It is named after Sealyham, an estate near Haverfordwest.
Source: Wikipedia (CC BY-SA 4.0)
Origin
Sealyham in Wales
Lifespan
12-14 years
Size
Height 25-30cm / Weight 8-10kg
Temperature
15〜26℃
Small-breed food, twice daily
Calm, affectionate, moderately active
~30 min walk daily
Wiry coat, trimming every 4-6 weeks
Find listings for this species
United Kingdom (Wales)
Intermediate. This is an intermediate-level species. Some prior experience and knowledge of environmental management are recommended.
The ideal temperature for Sealyham Terrier is 15〜26℃. Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of Sealyham Terrier is 12-14 years. With proper care and nutrition, they can live a long and healthy life.
Sealyham Terrier typically reaches Height 25-30cm / Weight 8-10kg as an adult. Size may vary depending on care conditions and individual genetics.
Sealyham Terrier feeds on: Small-breed food, twice daily. Aim for a balanced diet with appropriate feeding frequency.
The price of Sealyham Terrier varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Last updated: June 23, 2026