A shark that lives in the freezing Arctic can survive for roughly 400 years and does not reach adulthood until around 150 — meaning some sharks alive today were swimming before the first steam engine was ever built

A shark that lives in the freezing Arctic can survive for roughly 400 years and does not reach adulthood until around 150 — meaning some sharks alive today were swimming before the first steam engine was ever built

body.single-post h1.entry-title,body.single-post .entry-title{text-transform:none!important;} In the deep waters of the Arctic and North Atlantic, the Greenland shark lives on a timescale that is difficult to observe directly. It grows by only a small amount each year, can exceed five meters in length and may survive for several centuries. The number most often attached to the species is 400 years. It comes from a 2016 radiocarbon study that est…