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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.
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 ...
A business in Hawaii is trying to close the life cycle of the octopus. Should it?
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.
Estimations of egg hatching time (using water temperature and egg size) for O. californiana are up to 1.4 years at 4°C. [11] [12] Mating has never been observed in O. californiana; the males lack the hectocotylus of typical octopus, instead having a series of enlarged suckers that presumably have a role in mating or competition. [11]
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.
A female can lay up to 500 eggs; clusters of eggs are joined by special stalks. The female then sits with her eggs until they are ready to hatch. If any creature comes near the eggs, the female will attack it, though if it kills the creature, will not eat it. The eggs take 50 to 80 days to hatch, but will hatch more quickly in warmer waters.