An Astounding Countdown of the 18 Creatures Blessed with the Longest Lives on Earth
The Longfin Eel

The Longfin Eel, found in the rivers of New Zealand, takes the 8th spot. These creatures can live for over 100 years, with females outliving males. Their long lives are attributed to their slow growth rate and the fact that they only breed once, at the end of their lives.