Boffins used radiocarbon relationships to select the age of twenty eight away from the newest pets, and you may projected this girls involved 400 years old.
The team discovered that the sharks develop at just 1cm a great 12 months, and visited intimate maturity around age 150.
Direct writer Julius Nielsen, a marine biologist regarding the University out of Copenhagen, said: “We’d all of our standards we were discussing an unusual creature, however, I believe anyone this lookup is most surprised in order to find out the whales have been given that dated as they were.”
However if invertebrates was introduced to your resilience competition, a good 507-year-dated clam named Ming keeps the brand new label of all of the old animal.
Slow swimmers
Using this leisurely speed away from existence and you can sluggish growth rate, brand new sharks was basically said to alive for a long period. However, so far, determining any many years try hard.
For most fish, researchers can consider ear canal bones entitled otoliths, hence when sectioned, let you know a pattern from concentric groups that boffins normally matter as the they might brand new rings inside a tree.