<Li> A killer whale of the "Southern Resident Community" identified as J2 or Granny was estimated by some researchers to have been approximately 105 years old at her death in 2017; however, other dating methods estimated her age as 65--80 . </Li> <Li> A Swedish man claimed that a European eel named Ale was 155 years old when it died in 2014 . If correct, it would have been the world's oldest, having been hatched in 1859 . </Li>

What organisms are believed to be the oldest organisms on earth