Oldest guinea pig ever
- Who
- Snowball
- Where
- United Kingdom
- When
- 14 February 1979
The longest-lived caged guinea pig was Snowball, belonging to M A Wall of Bringham, Nottinghamshire, UK, who died on 14 February 1979 at the age of 14 years 10.5 months.
The average lifespan for a guinea pig is 4–8 years.