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To help compensate for its relatively short lifespan, the octopus is extremely prolific. It can lay between 120,000 and 400,000 eggs which are coated in chorion, and attached to a hard surface by the female.
Blue-ringed octopus females lay only one clutch of about 50 eggs in their lifetimes, towards the end of fall. Eggs are laid and then incubated underneath the female's arms for about six months. During this process, the female does not eat.
Two spermatophores are transferred in this way; these are about one metre (yard) long, and the empty ends may protrude from the female's mantle. [70] A complex hydraulic mechanism releases the sperm from the spermatophore, and it is stored internally by the female. [26] Female giant Pacific octopus guarding strings of eggs
O. tetricus start out as eggs that are laid in large numbers in the octopus's nest, approximately 270,000 eggs per female. [11] The eggs are normally glued to the rock or substrate at the top of the den created by the female octopus. The female usually lays her eggs over several nights in a string formation.
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. [ 3 ] [ 4 ] 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.
If they are successful, the female octopus will lay 50 to 100 eggs 30 days after the encounter. [4] During the 30 days, the female octopus hides her eggs under her arms and does not leave her hiding spot until the eggs hatch. [4] After laying her eggs, the female octopus dies. [4]
After mating, the female creates a den, where she will lay 20 to 100 eggs. [citation needed] After laying her eggs, she must keep them alive and well. She blows cool water through her siphon so that the eggs receive oxygen. This will go on until the eggs hatch, which ranges from 150 to 210 days [dubious – discuss] [citation needed]. During ...
Female cephalopods lay eggs in clutches; each egg is composed of a protective coat to ensure the safety of the developing embryo when released into the water column. Reproductive strategies differ between cephalopod species. In the giant Pacific octopus, large eggs are laid in a den; it will often take several days to lay all of them. [112]