The blood of the giant Pacific octopus has a copper-rich protein called hemocyanin that improves its ability to transport oxygen in cold ocean environments. DO OCTOPUSES HAVE 9 BRAINS? How can animals survive such long periods without eating? No parents around to tell the youngsters how to behave. Do octopus have 9 brains? Their skin itself senses light and responds. The giant Pacific octopus has three hearts, nine brains and blue blood, making reality stranger than fiction. link to How Dangerous are Stonefish? Octopuses have about as many neurons as a dog - the common octopus (Octopus vulgaris) has around 500 million. This allows the arms to work independently of each other, yet together toward the same goal. So this means each arm got an individual brain and the last one stays in the head. In most species the females die shortly afterwards. For example, . Octopus sex deserves an entire article of its own (which I have written! Sounds like a good conversation starter, doesn’t it?!! Learning about fascinating creatures is a passion of mine, and one of the most amazing creatures I’ve run across is the octopus. CephBase: The comprehensive website at CephBase is an authoritative source of data and factual information for the CLASS CEPHALOPODA – squids, octopuses, cuttlefish and nautilus. Udo Schröter/CC-BY-SA 2.0. Octopuses don’t care for their young, so there is no inter-generational learning. In addition, an octopus's brain is proportionally as large as some birds' and mammals' brains. It also matters of fact that an octopus got 8 arms and in each arm a single brain resists. link to What Do Animals Do When They Hibernate? "The octopus' arms have a neural ring that bypasses the brain, and so the arms can send information to each other without the brain being aware of it," said behavioural neuroscientist Dominic Sivitilli of the University of Washington. CAN SEX KILL AN OCTOPUS?? Talking about arms let’s touch on sex! The giant Pacific octopus has three hearts, nine brains and blue blood, making reality stranger than fiction. Now that she has his sperm the male is only good for one thing – food!! We carry a fixed “map” of our body in our brain, but that would be impossible for an octopus, since their body shape is so fluid and constantly changing. The most interesting thing is that they have a mini brain in each arm. BOSTON (AP) — Mythology and superstition have portrayed octopuses as alien beings or evil creatures dwelling in the terrifying dark depths of oceans. Do octopus have 9 brains, and is there tentacles actually a part of brain.? The description in the title above says it all – these animals are REALLY INTERESTING!! Why the Octopus Brain is so Extraordinary . Do. Does an Octopus Have an Inner Life? An octopus might ask, how can humans manage with just one heart? Cannibalistic Sex! Yes, there is one arm that plays an important role in octopus sex. Two hearts pump blood to the gills. The central brain controls the nervous system. Do. When you talk about octopus and their brains, you need to know that they are one of the most intelligent animals out there living in the Deep Oceans. Trace explains why it's so cool and how their brain allows the octopus to be such an awesome creature. Which animal has 9 brains and 3 hearts? No Octopus. In addition, there is a small brain in each of their eight arms — a cluster of nerve cells that biologists say controls movement. no, the octopus has one brain inside its mantle. Mothers usually die after their broods hatch. Two hearts pump blood to the gills and a larger heart takes the oxygenated blood and circulates it to the organs and the rest of the body. BOSTON (AP) — Mythology and superstition have portrayed octopuses as alien beings or evil creatures dwelling in the terrifying dark depths of oceans. Two-thirds of an octopus’ neurons reside in its arms, not its head. How do Octopuses Mate? Each female lays up to 100,000 fertilized eggs in clusters under an overhang. Adult female giant Pacific octopuses have about 280 suckers in each of their eight arms. Many of the octopus species live deep in the oceans where there is less oxygen available and the water is frigid. Giant Pacific octopus mothers sacrifice their lives after laying their eggs in deep-water dens. How do they Survive? Why are Deep Sea Creatures So Weird and Ugly? A larger heart that circulates blood to the rest of the body. It is called the hectocotylus (try to spell that with your eyes closed!). 9. brains. As if these tentacled wonders weren’t already alien enough, the octopus' three hearts and blue copper-rich blood seals the deal. You may read comments about an octopus having nine or ten brains. This allows the arms to work independently of each other, yet together toward the same goal. I guess it better not swim for too long! Visit my Google Maps photos, with over 1 million views per month and over 70 million views in total, Dynamic octopus camouflage – art, science, and technology | Roger Hanlon | TEDxWoodsHole. There are millions of pigment cells or chromatophores in the skin and millions more of the nerve endings needed to create the skin texture. I’ve written this article in the hope that this information can help prevent accidental and potentially... What Do Animals Do When They Hibernate? That makes sense, considering their bodies are all muscle except for two small plates anchoring their heads, together with a beak used to grasp and bite prey. The hectocotylus is a specially adapted arm that the male octopus uses to pass his sperm to a receptive female. Octopuses have glands that produce a toxic ink which is then stored in large sacs. Octopuses only have one true brain, which is located in their head, wrapped around their esophagus. The gist is that when males and females mate, the male reaches over with his specialized arm and delicately deposits one or two packets of sperm underneath the female’s mantle. As we all are aware of the fact that an octopus has 3 hearts 9 brains … Imagine that! The octopus has 3 hearts and 9 brains. This allows the octopus legs to work independently of each other. Octopuses only have one true brain, which is located in their head, wrapped around their esophagus. Monterey bay aquarium provides an excellent series of octopus videos that I can highly recommend. Cannibalistic Sex and a Detachable Penis, How to Use Google Earth to Enhance Your Presentations. With an octopus, the arm acts almost independently as it proceeds to probe into the crevice, tasting and feeling with its suckers. Source: blueplanetaquarium.com. The rest are in the doughnut-shaped brain, which is wrapped around the oesophagus and located in the octopus's head. One of the most amazing demonstrations of octopus camouflage that I’ve seen was filmed by Professor Roger Hanlon, University of Chicago. Have. Why does an octopus have 9 brains? In most species the females constantly guard, clean and oxygenate the eggs for up to seven months before the young hatch. How many brains does a octopus have? Because of their life-cycle they lack one of the characteristics that we consider important for an advanced species. How do they Survive? Octopuses have 3 hearts, because two pump blood to the gills and a larger heart circulates blood to the rest of the body. 9. brains Do octopus have 9 brains? They stop eating and begin acting erratically, until they die shortly afterwards. One strange thing is that an octopus doesn’t know where its arm is unless it can see it. Cannibalism makes good sense from the female’s perspective, since she will need to be well-nourished to produce thousands of eggs and to spend months looking after them without feeding. 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