Greenland shark

The Greenland shark (Somniosus microcephalus), also known as the gurry shark or grey shark, or by the Kalaallisut name eqalussuaq, is a large shark of the family Somniosidae ("sleeper sharks"), closely related to the Pacific and southern sleeper sharks.[2] The distribution of this species is mostly restricted to the waters of the North Atlantic Ocean and Arctic Ocean.
It has the longest known lifespan of all vertebrate species (estimated to be between 300–500 years), and is among the largest extant species of shark. As an adaptation to living at depth,[3] it has a high concentration of trimethylamine N-oxide in its tissues, which causes the meat to be toxic.[4] Greenland shark flesh treated to reduce toxin levels is eaten in Iceland as a delicacy known as kæstur hákarl.[5]
Category:Animals
Category:Creatures