''Grimpoteuthis plena'' is known from only one specimen, which cannot be easily separated from other species of '' Grimpoteuthis'' in the Atlantic Ocean. The specimen was in poor condition. It's similar to ''

Grimpoteuthis wuelkeri ''Grimpoteuthis wuelkeri'' is a medium-sized octopus characterized from multiple specimens. Description and habitat This octopus is known from the continental slope in the northern Atlantic Ocean at 2,055 meters deep. It is likely demersal. At ...

'', and may be a junior specimen of ''

Grimpoteuthis umbellata ''Grimpoteuthis umbellata'', known from three specimens, is the type species of ''Grimpoteuthis''. Description and habitat The species is not well known. The three specimens were taken from different locations; the largest was found off the Azo ...

''.

Description and habitat

''G. plena'' was found in the northwestern Atlantic Ocean, at 1,963 meters deep. Like other members of ''Grimpoteuthidae'', it could be

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 ...

. Specifically, the ''Grimpoteuthis Plena'' was found at a latitude of 37º 35’N and a longitude of 71º 18’W in the northwestern Atlantic Ocean along with other species of the same genus being found nearby. The ''G. plena'' was found in the year 1880 by Verrill. The specimen's mantle reached 57 millimeters long, and its total length reached 185 millimeters. Some of its arms are longer than the others. There are between 55 and 60 suckers per arm, the largest of which are 2.5 millimeters in diameter. The octopus'

cirri Giovanni Battista Cirri (1 October 1724 – 11 June 1808) was an Italian cellist and composer in the 18th century. Biography Cirri was born in Forlì in the Emilia-Romagna Region of Italy. He had his first musical training with his brother ...

are short. Its fins are each 32 millimeters long. The eyes are small: each is 12 millimeters in diameter.

References

Octopuses Molluscs of the Atlantic Ocean Molluscs described in 1885 Species known from a single specimen {{octopus-stub