Lifespan, longevity, and ageing
由AnAge articles提供
Maximum longevity: 17.6 years (captivity)
Observations: Males are only fully mature at 8-9 years. Potential longevity has been estimated at 22 years (Ronald Nowak 1999), which is possible. Record longevity in captivity, however, is 17.6 years (Richard Weigl 2005).