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The Greenland shark is one of the largest known extant species of shark, with adults growing to around 400 to 500 cm. [8] The largest confirmed specimen measured up to 6.4 metres (21 ft) long and weighed around 1,023 kilograms (2,255 lb).
The Greenland shark had been estimated to live to about 200 years, but a study published in 2016 found that a 5.02 m (16.5 ft) specimen was between 272 and 512 years old. [ 75 ] [ 76 ] That makes the Greenland shark the longest-lived vertebrate.
The Greenland shark takes 150 years to reach sexual maturity, with some sharks living up to 400 years. [ 11 ] [ 12 ] [ 13 ] Due to this, hunting of the Greenland shark is unsustainable and is slowly leading to the potential extinction of the species.
Nicknamed the sleeper shark, Greenland sharks are very slow moving and mostly. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach ...
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Along an icy coast of Greenland, locals spotted the body of a rarely seen deep-sea creature. Wildlife officials identified the stranded animal as a 100-year-old shark.
Somniosus cheni Hsu, Lin, & Joung, 2020 (Taiwan sleeper shark) Somniosus longus Tanaka, 1912 (frog shark) Somniosus microcephalus Bloch & J. G. Schneider, 1801 (Greenland shark) Somniosus pacificus Bigelow & Schroeder, 1944 (Pacific sleeper shark) Somniosus rostratus Risso, 1827 (little sleeper shark) Somniosus sp. A Not yet described (longnose ...
The first shark-like chondrichthyans appeared in the oceans 400 million years ago, [1] developing into the crown group of sharks by the Early Jurassic. [2] Listed below are extant species of shark. Sharks are spread across 512 described and 23 undescribed species in eight orders. The families and genera within the orders are listed in ...