Lifespan, longevity, and ageing
由AnAge articles提供
Maximum longevity: 54 years (captivity)
Observations: Though there are few detailed studies, it has been reported that these animals may live up to 54 years in captivity (http://www.demogr.mpg.de/longevityrecords). Anecdotal reports also suggest they can live up to 30 years in the wild.
