tag:blogger.com,1999:blog-4533651942397782565.post8852178755218818051..comments2024-03-28T17:24:32.156-07:00Comments on daily timewaster: Greenland Sharks Live 400 Years or More, Making Them the Longest-Lived Vertebratesc w swansonhttp://www.blogger.com/profile/02735507642689652780noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4533651942397782565.post-57012722166201339722016-08-12T15:36:10.608-07:002016-08-12T15:36:10.608-07:00Do researchers cut them in half to count the rings...Do researchers cut them in half to count the rings?<br /><br />Are these the same sharks that are toxic/poisonous to eat?fjordnoreply@blogger.com