Shark

Greenland shark

Somniosus microcephalus

PacificAtlanticIndianSouthernArctic Found in 2 oceans

North Atlantic and Arctic Ocean, from Canada to Greenland and the Barents Sea

Depth

From the surface to 2,200 m (Arctic)

Size

Up to about 5.5 m, perhaps more than 6 m

Diet

Fish, seals, carrion

Zone

Midnight zone · 1,000 m and deeper

Key facts

• It is the longest-living vertebrate known: at least 272 years, perhaps nearly 400.
• It swims at about 1.2 km/h on average, one of the slowest sharks.
• It does not reach sexual maturity until about 150 years of age.

Verified sources

1. FishBase : Somniosus microcephalus
2. Watanabe et al. 2012, The slowest fish (Univ. of Windsor)
3. ScienceBlog : âge et maturité du requin du Groenland (Nielsen et al. 2016)
4. FishBase, Somniosus microcephalus

In the game: To observe

In the same zone

ChimaeraHydrolagus sp. Dumbo octopusGrimpoteuthis sp. Colossal squidMesonychoteuthis hamiltoni Bigfin squidMagnapinna sp. Glowing sucker octopusStauroteuthis syrtensis Blind octopusCirrothauma murrayi