The oldest dog on record was an Australian cattle dog named Bluey, who died in 1939 at the age of 29.
The world’s longest-living cat. Granpa, who died on April 1, 1998, lived to be 34 years, two months and four hours. The previous record was 34 years and one day and had been set in 1957 by a tabby from England.
The oldest elephant ever known died in a zoo in Taiwan at the age of 86.
A dwarf mouse died one week shy of his fifth birthday.
In terms of an animal that normally lives two to two-and-a-half, occasionally three years, this guy was way out there,” says Andrzej Bartke, an SIUC physiologist and expert on aging who has been studying longevity in dwarf mice. It would be like a human living to be 180 to 200.