''Grimpoteuthis wuelkeri'' is a medium-sized octopus characterized from multiple specimens.

Description and habitat

This octopus is known from the

continental slope A continental margin is the outer edge of continental crust abutting oceanic crust under coastal waters. It is one of the three major zones of the ocean floor, the other two being deep-ocean basins and mid-ocean ridges. The continental margin ...

in the northern Atlantic Ocean at 2,055 meters deep. It is likely

demersal The demersal zone is the part of the sea or ocean (or deep lake) consisting of the part of the water column near to (and significantly affected by) the seabed and the benthos. The demersal zone is just above the benthic zone and forms a layer of ...

. At maximum, its body is 400 millimeters long, and its mantle is 115 millimeters long. Its fin span is around 70% of the octopus' total length. The

shell Shell may refer to: Architecture and design * Shell (structure), a thin structure ** Concrete shell, a thin shell of concrete, usually with no interior columns or exterior buttresses ** Thin-shell structure Science Biology * Seashell, a hard ou ...

is shaped like a letter "U". Its arms have around 60 to 70 suckers each, and these suckers aren't sexually dimorphic. A web covers about 2/3 of its arms. It has a robust shell, with a thick basal portion, and strong attachments from their fins.

References

Octopuses Molluscs of the Atlantic Ocean Molluscs described in 1920 {{octopus-stub