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Opisthoteuthis robsoni, also known as the deep-water umbrella octopus, [3] is a deep-sea octopus living off New Zealand on the Chatham Rise. It has been found from 1,178–1,723 m (3,865–5,653 ft) below the surface. Not much is known about the octopus' habitat or life cycle, as only four specimens have been found.
The holotype of this species measures 9 centimetres (3.5 in) in mantle length. [2]A female Graneledone boreopacifica was observed in the Monterey Canyon by the Monterey Bay Aquarium Research Institute, brooding her eggs for a record 53 months, making this the longest egg-brooding period known in the animal kingdom [3].
Grimpoteuthis abyssicola, commonly known as the red sigmahead, [3] is a species of small deep-sea octopus known from two specimens. The holotype specimen was a female collected on the Lord Howe Rise (central Tasman Sea off New Zealand), between 3154 and 3180 meters depth.
Opisthoteuthis agassizii is a lesser-known, deep-sea octopus first described in 1883 by Addison E. Verrill. [5] Like all cirrate octopuses, O. agassizii has fleshy fins to aid in swimming and a small internal shell. Males are up to four times heavier than females, [6] and their suckers are proportionally larger. Both sexes are small.
Opisthoteuthis philipii is an octopus of the Indian Ocean. It lives off the coast of Kerala, India. [ 3 ] Known specimens were found between 275–365 m (902–1,198 ft) deep in the Arabian Sea [ 1 ] near Alappuzha .
Little is known about deep sea octopus species. For premium support please call: 800-290-4726 more ways to reach us
Grimpoteuthis imperator, also known as the Emperor Dumbo octopus, is a species of deep-sea octopus in the family Grimpoteuthidae. The species is known from a single male specimen found in the Emperor Seamounts in the north Pacific off the coast of Japan in 2021. It was found at depths of 3900–4400m. [1]
Scientists came across a rare dumbo octopus while on a remote exploratory expedition in the deep Pacific Ocean.