These are the longest-living mammals which are known to live a life span of over 100 years. As per the National Oceanic and Atmospheric Administration (NOAA) they may even live for more than 200 years.
Living deep in the Arctic and the North Atlantic Oceans, Bowhead sharks, as per a 2016 study, can have a lifespan of over 272 years. The oldest living member of the species as per the study was actually 392 years old.
This one should come as no surprise. Tortoises are known for their long life. This particular kind of giant tortoise, as per Live Science, can live for almost 200 years. The longest surviving Seychelles Giant Tortoise is currently 190 years old.
Koi is a domesticated variety of the common carp, and the known oldest member of the species lived up to the ripe age of 226 years.