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The octopus has three hearts, one main two-chambered heart charged with sending oxygenated blood to the body and two smaller branchial hearts, one next to each set of gills. The circulatory circuit sends oxygenated blood from the gills to the atrium of the systemic heart, then to its ventricle which pumps this blood to the rest of the body.
An octopus (pl.: octopuses or octopodes [a]) is a soft-bodied, eight-limbed mollusc of the order Octopoda (/ ɒ k ˈ t ɒ p ə d ə /, ok-TOP-ə-də [3]).The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.
This octopus is named for the false eye spot (ocellus) under each real eye. These ocelli are an iridescent blue, chain-link circle, set in a circle of black. On its arms, the octopus possesses many "suckers" that it uses to taste. They have three hearts, two gills, blue blood, and a donut-shaped brain. [5]
Weeks later the octopus babies were born — although not all 50 of them made it. Still, there's a difference between owning one octopus and owning a whole bunch of octopus babies — 23 to be ...
Researchers have found that once a mother octopus lays her eggs, she stops feeding herself as she watches over her babies, leading her to waste away and potentially die before they even hatch ...
The second list shows the number of neurons in the structure that has been found to be representative of ... Heart-nosed bat: ... Octopus: 500,000,000 [52] Western ...
In the video above, the scientist explains that this particular species of octopus has "beaks for mouths and their brains are donut-shaped and surround their esophagus. The researcher goes on to ...
Amphioctopus aegina, commonly referred to as the marbled octopus or the sandbird octopus, [2] is a bottom dwelling species residing in the coastal zone of the Indo-West Pacific. [ 3 ] Planktonic hatchlings and eggs are laid by females predominantly during the months of January and October, however they have been known to reproduce year-round.