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Octopuses Have Eight Mini-Brains in Their Arms. Octopuses have 500 million neurons, which is nearly as many neurons as dogs. ... Just like the octopus did in the video when it forcibly tore off ...
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.
However, they don’t have just one brain, but a central brain in their head and a mini-brain in each arm. Like humans and other mammals, octopuses are adaptable and great problem-solvers. Watch ...
Octopus tetricus, the gloomy octopus, the common Sydney octopus, [3] or the peachy octopus, [4] is a species of octopus from the subtropical waters of eastern Australia and northern New Zealand. [2] O. tetricus belongs to the Octopus vulgaris species group. All species within the O. vulgaris group are similar in morphology, [5] behaviour, and ...
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]
To understand the inner details of octopus lives, researchers dived for about a month at a reef off the coast of Eilat, Israel, and tracked 13 octopuses for a total of 120 hours using several cameras.
Octopuses have also been observed in what has been described as play: repeatedly releasing bottles or toys into a circular current in their aquariums and then catching them. [ 32 ] Cephalopods can demonstrably benefit from environmental enrichment [ 33 ] indicating behavioral and neuronal plasticity not exhibited by many other invertebrates.
Wunderpus photogenicus, the wunderpus octopus, is a small-bodied species of octopus with distinct white and rusty brown coloration. [2] 'Wunderpus' from German "wunder" meaning 'marvel or wonder'. [3] Due to the appearance and behavior of the wunderpus, it is frequently confused with its close relative, the mimic octopus.