Jimmie the octopus departs with a splash (http://news.google.com/news/url?sa=T&ct=us/0-0&fd=R&url=http://www.oregonlive.com/news/oregonian/index.ssf%3F/base/news/1205285141164010.xml%26coll%3D7&cid=0&ei=M6nXR9KNFZDOywTjstSqAw)
The Oregonian - OregonLive.com, OR - 2 hours ago
NEWPORT -- Early Tuesday in the darkened entrance to the Hatfield Marine Science Center, Jimmie the resident octopus shows no interest in the visitors ...


More... (http://news.google.com/news/url?sa=T&ct=us/0-0&fd=R&url=http://www.oregonlive.com/news/oregonian/index.ssf%3F/base/news/1205285141164010.xml%26coll%3D7&cid=0&ei=M6nXR9KNFZDOywTjstSqAw)

the article says octos live 5 years, is this true just for GPO's or is it a mistake?

Only GPO's as far as anyone's reported. Cold water, slower metabolism, longer life.