Greenland shark: quick facts
The Greenland shark is a slow, cold-water giant of the deep Arctic and North Atlantic and is the longest-lived vertebrate known, with lifespans estimated at several centuries. It is an occasional predator and scavenger of marine mammals, and one of the more mysterious large animals sharing the narwhal's waters.
Sources: NOAA — Greenland Shark; IUCN Red List — Greenland Shark (Somniosus microcephalus). Educational information only. See our sources & fact-check policy.