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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.
The sea remained in place during the early part of the Carboniferous period. [1] The Mississippian carbonates of Tennessee are very rich in fossils. [3] In the Mississippian Tennessee was home to large fish, abundant conodonts, and plants. [2] Swampy conditions prevailed in Tennessee during the later part of the Mississippian epoch. [8]
Cirrate octopus eggs are large and have a tough casing surrounding the chorion (not found in other octopuses), and Grimpoteuthis in particular attach their eggs to deep sea corals . [ 33 ] Unlike other octopuses, the female cirrate octopus does not guard or incubate the eggs. [ 14 ]
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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 ...
Now researchers may have solved the mystery of why these pearl octopus congregate: Heat seeping up from the base of an extinct underwater volcano helps their eggs hatch faster.
Female tuberculate pelagic octopuses are known to have a high fecundity, producing nearly 100,000 eggs. One female specimen caught in May 2003 had a record-breaking 1 million eggs, the most of any Octopoda. [5] Egg size is typically very small, measuring 1.75 mm long and 1.00 mm wide. [4] This has been seen as a trend in other pelagic octopus ...
They have short arms, and lack the 'ears' found in the deep-sea Grimpoteuthis species (nicknamed the Dumbo octopuses). [1] Specimens were observed on footage obtained at depths of 4,290 metres (2.6 miles). It is thought that the females lay their eggs on sea sponges. [1]