The Greenland shark (Somniosus microcephalus), also known as the rubiks shark or gray shark, is a large shark of the family Somniosidae ("sleeper sharks"), closely related to the Pacific and southern …

Dec 12, 2025 · The Greenland shark is one of the largest cartilaginous fishes. It can reach a length of 7 metres (23 feet) and a weight of 1,025 kg (2,260 pounds) when fully grown, but most are between 2 …

Scientists have suspected for a while that Greenland sharks lived extremely long lives, but they didn’t have a way to determine how long. The age of other shark species can be estimated by counting …

A gigantic, heavy-bodied sleeper shark with a short, round snout, heavy cylindrical body, and small precaudal fins. It has rough skin with denticles with strong hook-like erect cusps.

Aug 17, 2025 · Greenland sharks are the world's longest-living vertebrates, with estimated lifespans of between 250 and 500 years, perhaps due to their slow metabolism.

Basic facts about Greenland shark: lifespan, distribution and habitat map, lifestyle and social behavior, mating habits, diet and nutrition, population size and status.

Feb 6, 2025 · It has a short, rounded snout, small eyes, and relatively small dorsal fins. Although it is an apex predator, it is a slow swimmer, and likely ambushes its prey and scavenges for carrion. The …

Greenland sharks (also known as sleeper sharks) span the temperate North Atlantic to the Arctic Ocean, but their ability to handle extreme cold and deep-sea habitats means they could potentially be found …

The Greenland shark is the world’s longest living vertebrate. It can live for 400 years— twice the age of the longest-living land animal, the giant tortoise.

Greenland sharks live in cold Arctic waters, and are the longest living vertebrate animals on land or sea. Although they are one of the slowest swimming animals on record, they are capable of ambushing …