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American zoologist G. H. Parker found that the largest suckers on a giant Pacific octopus are about 6.4 cm (2.5 in) and can support 16 kg (35 lb) each. [3] The only other possible contender for the largest species of octopus is the seven-arm octopus ( Haliphron atlanticus ), based on a 61-kilogram (134-pound), incomplete carcass estimated to ...
The member of this genus that best embodies the common name "giant octopus" is Enteroctopus dofleini, which holds the record of being the world's largest octopus based on direct measurements of a 71 kilograms (157 pounds) individual, weighed live. [7] [a] This octopus had a total length near
In a book dedicated to the giant Pacific octopus, Cosgrove & McDaniel (2009:72) summarised knowledge on the species's maximum size as follows: The specimen William Dall speared in 1885 at Iliuliuk had the largest radial span of any giant Pacific octopus ever measured. Jock MacLean's 1956 Port Hardy behemoth was the biggest ever weighed.
The creatures are known as dumbo octopuses because of their “large” fins.
The largest known species of sea sponge is the giant barrel sponge, Xestospongia muta. These massively built sponges can reach 2.4 m (8 ft) in height and can be about the same thickness at the thickest part of the "body". [330] Some of these creatures have been estimated to be over 2,400 years of age. [331] Calcareous sponges
This specimen, the largest of this species and of all octopuses, was the first validated record of Haliphron from the South Pacific. It had a mantle length of 0.69 m (2.3 ft), a total length of 2.90 m (9.5 ft), and a weight of 61.0 kg (134.5 lb), although it was incomplete.
[7] [8] The colossal squid has the largest eyes of any known creature ever to exist, with an estimated diameter of 27–30 cm (11–12 in) [9] to 40 cm (16 in) for the largest collected specimen. The species has similar anatomy to other members of its family, although it is the only member of Cranchiidae to display hooks on its arms, suckers ...
Like many octopuses, E. magnificus is a generalist predator. The chief food source for this octopus is the deep-sea portunid crab Bathynectes piperitus.Other major prey items include the Cape hagfish (Myxine capensis), the crab species Pontophilus gracilis, and hermit crabs in the genus Parapagurus.