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Over a month after mating, Giant Pacific octopuses lay eggs. The species can lay 180,000 eggs in a single clutch, while Octopus rubescens clutches number up to 45,000 eggs and O. vulgaris clutches can number as much as 500,000 eggs. [78]: 75 Fertilised octopus eggs are layed as strings and within a shelter.
This also makes it the longest-living octopus – most octopuses only live for 1 or 2 years – which this octopus beats with its brooding period alone. [ 4 ] [ 5 ] Female Graneledone boreopacifica tend to brood their eggs between the depths of 1,200 and 2,000 metres (3,900 and 6,600 ft); the eggs were never unattended.
Females grow up to 10 cm and make shells up to 30 cm, while males rarely surpass 2 cm. The males mate only once in their short lifetime, whereas the females are iteroparous, capable of having offspring many times over the course of their lives. In addition, the females have been known since ancient times, while the males were described only in ...
Marine scientists discovered what they dubbed an 'octopus garden' nearly two miles below sea level. 'We were just absolutely floored.' Just off California, octopuses are converging by the thousands.
Eggs are fertilized upon exiting the oviducts. Female octopuses generally lay their eggs in shallow water and stays with the egg mass in order to protect it. [14] In the species A. aculeatus which is closely related to A. capricornicus, female octopuses rarely reject the mating advances of the male octopus. It was also seen that males of this ...
Many species are found in the twilight zone, while others live closer to shore in warmer waters. However, some species, like the dumbo octopus, live in the midnight zone where sunlight never reaches.
E. dofleini move through the open water using jet propulsion, which is achieved by drawing water into its body cavity and then forcefully expelling it through a siphon, creating a powerful thrust and propelling the octopus through the water at a high speed. [25] [26] When moving on the seafloor, however, the octopus crawls using its arms.
Researchers have documented an active octopus nursery, where hundreds of the deep-sea creatures cluster together to brood their eggs. Rare octopus discovery made 2 miles below the ocean surface ...