how many does an octopus have. Do Octopuses Have Brains?. How Many Hearts Does an Octopus Have? Octopuses are known for having three hearts. The arms and tentacles can be covered with suckers which are usually only weakly adhesive, but can retain reflexively for a few minutes, allowing the octopus to carry heavy items. have their arms stuck out like a flower, trying to get as much . By Daily Mail Reporter Updated: 06:48 EDT, 13 August 2008. 38 How Many Hearts Does An Octopus Have; How Many Heart Does An Octopus Have? three hearts. How many hearts does an octopus have? How do species like the mimic octopus camouflage themselves? Find out the answer to these questions and learn other . Unlike vertebrates that have iron-rich haemoglobin packed into red blood cells, octopuses – along with some tarantulas, scorpions. The New Latin word octopus derives from the Greek "oktopous" which literally translates as "eight-footed". It is already clear that these beings have not one heart. In each octopus's arms, there is one brain. Much larger sizes have been claimed for the giant Pacific octopus: one specimen was. Sometimes he even detaches it to give to the female. Note : An octopus have 3 hearts, 9 brains and 8 . One of them is the "body heart", which plays a major role in blood supply to the octopus's whole body; There are two "gill heart", they can also play a part of the role of. Additionally, it does not have red blood like you and me, octopus blood is blue. They use these limbs to hunt, grab objects, and even swim! The octopus catches prey with two of its arms, which are strong enough to break through the shells of crustaceans. He then stands up on the bar and shouts for everyone inside to hear. How many tentacles does an octopus have?. How many tentacles does an octopus have? Hence, in reference to the above explanation, octopuses do not have tentacles. The remaining neurons are distributed throughout the animal’s eight arms. How Many Years Does An Octopus Live. An octopus has three hearts; two work exclusively to move blood beyond the animal's gills, while the third heart keeps . How many hearts does an octopus have? How do species like the mimic octopus camouflage themselves? Find out about these and other octopus facts. The name “octopus” is directly derived from the prefix “oct-” which means eight and is found in other words such as “octagon. An octopus has two тᴇsтιcʟє, unlike what the name suggests. That is the case with the octopus. No, octopuses just have 3 hearts. 79 Octopus Jokes: Funny Puns that will make you ten. The past couple posts have described some pretty severe experiments on octopuses, including: showing how octopus arms can grow back after . How many hearts does an octopus have? Most animals in the animal kingdom have one heart. But they also have about two-thirds of their neurons distributed in their arms, people sometimes get confused and refer to the neuron bundles as "brain". Octopus Facts You'll Never Forget. An octopus ( PL: octopuses or octopodes, see below for variants) is a soft-bodied, eight- limbed mollusc of the order Octopoda ( / ɒkˈtɒpədə /, ok-TOP-ə-də ). Disturbingly, in rare situations, they’ve been known to consume their own arms. Their two peripheral hearts pump blood through the gills, where it picks up . But experts have now revealed that this assumption is wrong - as two of their long tentacle-like limbs are in fact legs. 02 There are over 250 species of octopus. The other six limbs are used to move around. In addition to having nine brains, an octopus also has three hearts. However, in an octopus such as the Octopus vulgaris (the common octopus), three hearts pump blood simultaneously! This unique anatomical feature is tough to find in any other creature. One such specimen has even been weighed to be around 600 lb (272 kg). How many arms does an octopus have? Only six - the other two are legs, say scientists. An octopus has blue blood and three hearts. Octopuses come in many different sizes. All eight arms of an octopus have a whopping 2,240 suction cups, each used to taste, grip and smell. In fact octopus completely lack . Across its entire body, the typical octopus – scientific name Octopus vulgaris – possesses approximately 500 million neurons. Octopus Means Eight Legs Even the etymology of the word suggests an answer to our question. However, it is important to note that even though tentacles are distinct from arms, they could be used as an umbrella term for limbs. The heart of an octopus is made up of three chambers. Octopus Means Eight Legs Even the etymology of the word suggests an answer to our question. how many heart does an octopus have – Top Tips. On this page you will be able to find the answers for: How many hearts does an octopus have? This is a very entertaining trivia question of the day and the correct solution is as follows:. In total across the octopus’s whole body, they have around 500 million neurons, which may sound like a lot but we humans have upwards of 100 billion. Cephalopods have long fascinated humans and were frequently mentioned Octopus have eight arms while squid and cuttlefish have eight arms . Two of the hearts work exclusively to move blood beyond the animal’s gills, while the third keeps circulation flowing for the organs. The 8 appendages of an octopus count as arms even though they are quite long. "I will bet anyone here 200 dollars that this octopus can play any instrument you give it". An octopus has up to 9 brains! Yes, you read that right, 9. Adults usually reach an average weight of 60 kg, with an arm span up to 4. So, any additional heart would be unnecessary. Almost all octopuses are solitary. However, male octopuses have fewer on their reproductive arm. Octopuses also have nine brains; one is in their head, and the other eight are in their arms. The rest are in the doughnut-shaped brain, which is wrapped around the oesophagus and located in the octopus's head. Now, the maximum number of hearts is 3 and they belong to the Octopus. Octopuses suction cups don’t contain any teeth. The octopus does, in fact, have a central brain located between its eyes containing about 180 million neurons. Each arm has two rows of suckers and there may be as many as 250 suckers on each one. Most people don't know it, but the Octopus has three hearts. Relative to their body size, octopuses have quite large eyes. Octopus hearts… how many are there? Can things have more than one heart? Today we're learning the answer of how many hearts does an octopus have? We're also. Although octopuses are not considered endangered, they do face dangers from . In other words, long before life on land had progressed beyond puny pre-dinosaur reptiles, octopuses had already established their shape for . The octopus also has a funnel, sometimes called a siphon, which is a tubular opening that serves as a pathway for water. Advertisement The male octopus has a modified arm called the hectocotylus , which is about 3 feet (1 meter) long and holds rows of sperm. What type of keyboard does an octopus prefer to use? Sqwerty! What do you call a creature with the head of a shark, some claws, the body of a dolphin and the tentacles of an octopus? A crab-omination! How many tentacles does an octopus have? Ten! (In reality, it's eight, but the joke is that they have ten-tacles) Why did the octopus have to. This is the part of the nervous system that determines what the octopus wants or needs, such as if it needs to search for food. How Many Legs Does An Octopus Have?SUBSCRIBE to Qi'd - https://www. How many brains does an octopus have? Octopuses have nine brains! An octopus has eight arms, which is a lot to keep track of! Octopuses essentially have a brain at the base of each arm which are connected to a larger, central brain. So there you have it, octopuses have eight legs, it’s a fact. How Many Hearts Octopus Have? Why do Octopus have 3 Hearts? All animals – from the smallest insect to . There's absolutely no telling how many moms and dads have reached a point during . Most live on the seafloor, but some, like the paper nautilus, drift nearer to the surface. Octopuses have 9 brains because, in addition to the central brain, each of 8 arms has a mini-brain that allows it to act independently. Everyone is a buzz and the bartender hands him a guitar that was hanging on the wall. However, there is some tantalizing evidence of larger-than-usual Giant Pacific octopuses, including one specimen. The Sad Sex Secret of Octopuses. Human beings have many more—something nearing 100 billion—but the octopus is in the same range as various mammals, close to the range of dogs, and cephalopods have much larger nervous systems. In many ways, octopuses are the closest thing to having aliens on earth. Octopuses mostly feed on crabs,. Obvious Octopus Facts: How Many Tentacles Does An Octopus Have?. Everyone knows the general facts about them: they have eight arms, they are considered an incredibly intelligent animal, they have giant heads, etc. They have a wide variety of mating habits and I can’t cover them all; but I can explore some of the more intriguing aspects of sex in the world of Cephalopods!. The largest specimen of this species to be scientifically documented was an animal with a live mass of 71 kg (156. How many tentacles does an octopus have? A). We all know that the male octopus uses his third right arm as a penis. How Many Brains Does an Octopus Have. The reason for this impressive cardiac hardware . What exactly do these cephalopods have then? Many people refer to octopus limbs as tentacles, but technically, octopuses don't have any . , The Octopus: A Model for a Comparative Analysis of the Evolution of Learning and Memory Mechanisms http://www. The New Latin word octopus derives from the Greek ”oktopous” which literally translates as ”eight-footed”. The common octopus ( Octopus vulgaris) is 12 to 36 inches (30. The majority of squid are no more than 60 cm long, although the giant squid may reach 13 . These intriguing cephalopods are incredibly unique, boasting three . However, if it knew just what was waiting for it soon after, it might think twice. It shares similar characteristics with the other cephalopods, meaning it has two eyes and a beak, and its mouth is placed at the center of its eight limbs. So how many hearts does an Octopus have? Three! Why does an octopus have three hearts? Two to pump blood to the gills, where it picks up oxygen, . What animal has 8 hearts? Currently, there is no animal with that amount of hearts. Many species, especially the larger ones, have an excellent sense of vision. They have one that pumps blood through the gills for each side of the body. Around two-thirds of its brains are located in its arms with the rest commonly in a doughnut shape around its oesophagus. How many brains does an octopus have? Cheats : PS: if you are looking for another level answers, you will find them in the below topic : How Many Answers. However, each arm of the octopus can have up to 280 suckers each. Q: How have octopuses changed your understanding of what it means to be intelligent? A: It made me realize how myopic our own view of . Additionally, it does not have red blood like you and me, octopus. Source(s): Dissection in college biology Depends on the Octopus, if he's willing to fight a shark he has "more wavos" than I do, and I have 2. There are nearly 300 species of octopus in the world, ranging from the giant pacific octopus that can stretch up to 30 feet across to the tiny wolfi octopus, less than one inch in size. The eight-limbed mollusks even have a . Octopuses have six arms and two legs, not eight tentacles as they are sometimes mistakenly called. An octopus is not a mammal nor a fish, they are in fact an invertebrate mollusk as they do not have a skeleton or backbone. (The gill hearts pump blood through the gills, while the systemic heart drives the blood throughout the rest of the body). The octopus is a mollusk with eight limbs and a soft body. How many arms does an octopus have? Answer and cheats to this level are provided on this page, this game is developed by Apps Mobile Games and it is available on PlayStore & iOS App Store. And why do octopuses have blue blood? It's because they have already adapted to cold, a copper-rich protein. The smallest octopus is the Octopus wolfi. A few species have flashy mating rituals, but many octopuses seem like they're just conducting business. A man walks into a bar with and octopus under his arms. An octopus doesn't exactly have hands it has tentacles and there are eight of them. The octopus has eight tentacles and at least three plural forms. Answer: According to Hochner et al. After all, the octopus has 3 hearts. Why does octopus have 3 hearts? 2) Octopuses have three hearts. octopuses are widely considered to have 8 legs however they actually have 6 , the other 2 are armsNot true. These clever animals have evolved fascinating abilities such as camouflaging and using their tentacles with a mind of their own. Speaking generally however, octopuses can lay up to 200,000 eggs! These are some crazy numbers, but for the survival of the octopus' species, this is necessary. Although now there are arguments on the fact whether all the limbs should be called tentacles or not. The females often die shortly after they are able to lay their eggs. These highly adaptable animals have evolved to survive in the harshest of conditions with freezing cold temperatures which their strange heart combination could be to thank for. And if that wasn’t enough, they also have up to 9 brains. There are some 300 species of octopus, ranging in size from the giant Pacific octopus, which can weigh 50 kilograms, to the tiny Octopus wolfi, at less than a gram. Now the maximum number of hearts is 3 and they belong to the Octopus. BERLIN (Reuters) - Octopuses' eight tentacles divide up into six “arms” and two “legs”, a study published by a chain of commercial aquariums . The other two move blood across the octopus’ gills in order for them to receive oxygen. This is the largest species of octopus with the record size at 600 lbs. octopus The oceans of the world have a near infinite variety of life, the separation between body parts is much more defined on squids. Use this answer in My Telenor app quiz questions. Math Chemistry Biology Programming Arts History BusinessLanguage Spanish English Deutsch Brasil 台灣TipsReviewBlog Home How many тᴇsтιcʟєs does octopus have May 2021 thanh friend wanted ask…5 AnswersContrary what Shawn. But then how much? Perhaps now everyone will be surprised. 55 Best Octopus Puns And Jokes That Are Really Tenta. In place of the protective shell found in many other mollusks, the octopus brandishes a startling array of defense mechanisms. Octopuses have demonstrated intelligence in a number of ways, says Jon. The third one is responsible for pumping the blood through the rest of the body. How Many Hearts Does an Octopus Have? 🐙 And Why is Octopus. Like other octopuses, the giant Pacific octopus is extremely intelligent and has been observed opening jars and mimicking other species. comContents1 How Many Heart Does Octopus Have What animal has. How Many Eyes Does An Octopus Actually Have? Octopuses have two eyes that are located on each side of their head, similar to the positioning of human eyes. The common octopus only lives an average of three to five years, though, so it doesn't have much time to waste. An adult Pacific octopus has around 280 suckers per arm. The giant Pacific octopus is the largest octopus species in the world and usually weighs around 33 lb (15 kg). Octopuses have a short life span of only a few years. But scientists now insist these nautical animals only have six. There are about 100 different species of octopuses in the genus Octopus, and at least another 150 species in other. Musculature and skin in many places have capillaries, which serve to move the arteries into the veins. An octopus named Billye from the Seattle Aquarium was able to open a pill bottle with a snack inside. Sorry to disappoint you, but eight’s the wrong answer. Octopus Reproduction: Birth, Life, Death and Birth Again. octopus haveFAQhow many heart does octopus haveadminSend emailDecember 19, 2021 minutes read You are watching how many heart does octopus have Lisbdnet. The rear pair of ‘arms’ are actually legs, which the octopus uses to move about the seabed and to propel itself when it wants to swim. For starters there are around 300 recorded species of. And if that wasn't enough, they also have up to 9 brains. They have eight arms, one large head, and two large eyes. This is believed because they have blue blood; 1 heart pumps blood to the entire body and is large, while the other two pump blood to the octopus gills. Octopuses have three hearts, blue blood, and a freakishly strange nervous system like no other creature. However, octopuses have roughly the same number of neurons as dogs, known for their ability to learn various commands. Like other cephalopods, an octopus is bilaterally. Succinctly stated, octopus vision is very advanced. Correct Answer : Option (C) - 8. The suction cups of octopus are so. The Musculature of Coleoid Cephalopod Arms and Tentacles. As with most creatures, the octopus's main purpose in life is to reproduce. Their eight tentacles are highly sensitive and capable of incredibly fine motor skills, and octopi have already developed nine brains. They do develop an instinctive urge to mate as the age of maturity arrives. Octopuses have large numbers of neurons located near their eyes and others inside their arms. They have two eyes and four pairs of arms. Written by krist February 6, 2022. The 3 hearts all have different functions and work simultaneously to keep the octopus alive. The giant Pacific octopus (Enteroctopus dofleini) is often cited as the largest known octopus species. A mammal is a warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, females that secrete milk for the nourishment of their young and give birth to live young. Some species of octopus have venom that is dangerous to humans. How much does an octopus weigh? The different species of octopuses have different weights. The New Latin word octopus derives from the Greek . It is also INCORRECT when people say that the Stegosaurs (a type of dinosaur from the Jurassic) had "2" brains (one in its little pinhead and another in its big, fat, dinosaur butt). About two thirds are located in its arms. No, octopuses are not royalty but they do have blue blood. These are sent as messages through groupings of neurons. They’re considered to be muscular structures and they can be used to taste, smell, and grip. If Your Hands Could Smell, You'd Be an Octopus. The remaining neurons are distributed throughout the animal's eight arms. Octopus Tentacles or Arms?. Ask anyone how many arms an octopus has and the usual answer will be eight. Octopuses are cephalopods of the order Octopoda. However, octopuses have other neurons, the cells that form the brain, in other places as well. 01 Octopus is grouped within the class ‘Cephalopoda’ along with squids, nautiloids, and cuttlefish. Many of the octopus species live deep in the oceans where there is less oxygen available and the water is frigid. Answer (1 of 5): The popular, but INCORRECT, answer is "9" (a primary brain + one for each of its tentacles). 27M subscribers in the science community. These wonderful animals don't live long, unfortunately. How many brains does an octopus have? An octopus has up to 9 brains! Yes, you read that right, 9. Commands like “search for food” are then. But marine scientists now believe that only 2 of those. Each heart carries out a specific function. Current Population Trend: Unknown. How many hand octopus have?. The Giant Pacific Octopus is the largest Octopus. The common octopus weighs up to 22 lb (9. Octopus Arms Don't Have A Mind Of Their Own, But They're Still. 01 Octopoda is the scientific name of the octopus. This community is a place to share and discuss new scientific research. As our aquarists will attest, the strength of these suckers can make a literal . 4 centimeters) long and weighs 6. It is grouped with cuttlefish, squids, and nautiloids in the class Cephalopoda. This is the part of the nervous . Octopuses have a preferred eye, which may dictates their favoured arm. Does every cephalopod have the same amount of suckers?. In the three hearts of octopuses, a systemic heart is responsible for the circulation of blood in the body. Octopuses are one of the ocean’s most interesting creatures. You'll find out the purpose for this funnel later in the article. The giant Pacific octopus certainly lives up to its name, as it is the biggest of the octopus species. Jun 8, 2017 How many hearts does a dumbo octopus have?. 8 Tentacles 3 Hearts 9 Brains Octopuses dont just have eight tentacles but they also have three hearts and nine brains. Octopuses only have one true brain, which is located in their head, wrapped around their esophagus. Hundreds of powerful suckers on octopus arms do more than just stick. com, octopuses have about 500 million. The brain is a cluster of nerve cells. But marine scientists now believe that. On each of the octopus’ legs are suction cups that help the animal attach itself to surfaces. Octopuses have 3 hearts because of the copper-rich hemocyanin in their blood. In a 2008 study released by researchers at Sea Life centers across. Amazing Octopus Facts · Octopuses are highly intelligent and studies have shown evidence of a memory system that can store both short- and long- . Octopuses come in all shapes and sizes and inhabit diverse regions of the ocean. Animal Sex: How Octopuses Do It. A nine-month-old female octopus holds a jar, which contains her favourite seafood snacks of shrimps, crabs and clams inbetween her tentacles in Munich's Hellabrunn Zoo March 14, 2003. There are over 300 different species of octopus on earth, and they've managed to make a home in almost every body of seawater. But these aren't even the most astonishing things scientists have discovered about these beguiling marine . How many hearts does an octopus have. The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids. Contrary to what Shawn the biology student claims, when a species of animal is dioecious (have males and females) as most animals are, the male's gonads are called тᴇsтιcʟєs. Octopuses have about as many neurons as a dog - the common octopus (Octopus vulgaris) has around 500 million. It then uses its beak to break into the shell and eat the prey. A nine-month-old female octopus holds a jar, which contains her favourite seafood snacks of shrimps, crabs and clams inbetween her tentacles in. However, there is a bit more to octopuses than you may know. Answer (1 of 3): Octopi haven't hands nor have they arms; they do have eight long rope-like prehensile tapering appendages we call 'tentacles' each of which possesses its own ‘mini-brain’. Octopuses have eight limbs that have a mind of their own. Octopuses have six "arms" and two "legs": study. The males often die within a couple of months just after they finally have found a mate. How Many Brains Does An Octopus Have? You're probably thinking an octopus, like most other animals, has only one brain. It has eight arms attached to its body. In this sense, the octopus is said to have eight tentacles. An even deeper study of how the eye is integrated into the neurology of the octopus unveils how much more impressive octopus vision is. Octopuses (or octopi, if you prefer) are cephalopods, invertebrates that also include squid and. But it does seem to show why the many-limbed creatures go to the . Like all other animals, octopuses need oxygen to survive. The orientation of transverse muscle fibers perpendicular to the long axis of the arm may not, however, be universal for octopuses; Feinstein et . In addition to a central brain located between the eyes, octopuses have separate “mini-brains” at the base of each of their eight tentacles. They are also semelparous creatures. English marine experts have laid their hands on an octopus that's As was common of many science fiction movies of the era, the film was . The arms of octopuses may have as many as 240 suction cups on the underside, in two rows. The cephalopods do have eight tentacles and there may be three ways to . How many brains does an octopus have? In the oceans of our world, the octopus lurks in coral reefs and rocky habitats. 5 Do all octopus have 3 hearts? 6 What animal has 800 stomachs? 7 What animal has 32 brains? 8 What animal has no brain? 9 How many brains do a octopus have? 10 Does an octopus have 8 brains? 11 How many stomachs do octopus have? 12 Can you eat octopus head? 13 Which animal has the most hearts? 14 Can octopus have 9 legs? 15 What animal has. So there you have it, octopuses have eight legs, it's a fact. The body of the octopus is bulb-shaped and contains all of the octopus’ organs and its mouth. An octopus has eight legs, but they are more commonly referred to as tentacles. If an arm is bitten off by a predator, in many instances the . Source(s): Dissection in college biology Depends on the Octopus, if he’s willing to fight a shark he has “more wavos” than I do, and I have 2. 5 cm) long and weighs less than a gram. Humans have found octopuses amusing for a long time, and for a good reason! These marine creatures have not only eight arms but also an . A closer examination of the eye of an octopus reveals that it is a very complex structure. Why is The Octopus Love life A Tragedy? Octopus mating is a one-time thing for just about all of the species. That’s not all, this aquatic animal also has three hearts. Given this environment, octopuses have . Read the question and draw the correct answer on the board. Biologists now recognize that at least some octopus species appear to be much more social than previously thought. How many hearts does an octopus have? Octopus has three hearts and nine brains. Octopuses have three hearts: one pumps blood around the body; the other two pump blood to the gills. To answer your question, a male octopus only has ONE тᴇsтιcʟє as the female has only one ovary. How many arms does an octopus have? Only six. ) In fact, all of the arms, if. This fact is stranger than fiction. The eight limbs are commonly referred to as tentacles. The largest identified octopus is the giant Pacific octopus (Enteroctopus dofleini), the full-grown adults of which weigh about 110 pounds or so and have long, trailing, 14-foot-long arms and a total body length of about 16 feet. Not only do octopuses have nine brains, but octopuses also have three hearts and blue blood, making them seem. However, octopuses have roughly the same number of neurons as dogs, which makes scientists believe that they are about as intelligent. Once the octopus reaches adulthood, it will eventually get the urge to mate. Similarly, octopi and other cephalopods have developed three hearts. The central brain of the octopus controls the nervous system. For example, scientists have observed them stacking up coconut shells to create mobile homes. (Oh, you didn’t? It’s true. There are around 500 million neurons across an octopuses entire body, with around 40 million in each arm. The eight tentacles (arms) of octopuses are equipped with one or more rows of sucker-like discs, hooks and other adhesive structures that help them ensnare prey. But Barosaurus was a huge dinosaur which needed 8 hearts to circulate blood upto its head. Vision is incredibly important to octopuses as it allows them to find food, seek shelter and even know when a predator is lurking. The different species of octopuses have different weights. Of those, 30 to 40 percent reside in its formal brain located in its head. The question of how many tentacles an octopus has becomes problematic once you go deep into the subject. The pygmy octopus weighs less than 0. "How Many" is so simple and free, You have to guess the closest answer or get eaten by a shark. Read more about the latest discoveries at the Times online. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. If they continue to get smarter, octopuses would be much more suited as But what we do know can start to answer Michael's excellent . The eight-limbed mollusks even have a preference when it comes to which arm they use for eating. How Many Brains does an Octopus Have? Octopuses have nine brains. You may not notice unless you take a very good look at the body of these creatures that they have gills. How many hearts does an Octopus have? Here I provided the correct answer to this question for Wednesday, 19 May 2021. That's not all, this aquatic animal also has three hearts. The game is not over, still some forward levels to solve ! Solved also and available through this link : How many phases of the moon are there? cheats. How many hearts does an octopus have? So, we came to this exciting manyissue. Marine experts often refer to octopuses as the eight-legged denizens of the deep, but new research suggests that this description may not be . It initially took her 55 minutes to push, turn, and twist it open, but she eventually learned how to do the task in just five minutes. experiments have shown that they do have both short- and long-term memory. Most have life spans shorter than two years, and many die after their first Read: What ecstasy does to octopuses. Adults usually weigh around 15 kg (33 lb), with an arm span of up to 4. 05 Like most creatures, they also have two eyes. The reason for this impressive cardiac hardware probably comes down to the unusual composition of their blood. As mentioned above, the structure of an octopus is very special. The giant Pacific octopus can have over 50000 babies at one time, and spends months guarding those eggs — only to die soon after they are . One central brain serves as central routing for eight separate brains that are each in charge of a different tentacle. The Giant Pacific Octopus for example will lay between 20,000 to 100,000 eggs. The first causes blood to circulate throughout the body. There are around 300 species of octopus and they are found in every ocean. They possess around 500 million . That may sound like a lot, but humans have upwards of 100 billion. octopuses are widely considered to have 8 legs however they actually have 6 , the other 2 are arms. Octopuses have eight long arms that they use for locomotion, and they are invertebrates, which means they have no backbone. How Many Hearts Does An Octopus Have? Octopuses have 3 hearts and a closed circulatory system, which means their blood always remains inside the vessels. The organ heart actually stops beating when the octopus swims, explaining the species' penchant for crawling rather than swimming, which. Like other cephalopods, an octopus . How Many Brains Does an Octopus Have? Contrary to popular opinion, Octopuses only have one large brain. But Barosaurus was a huge dinosaur which needed 8 hearts to circulate blood upto it's head. Octopuses have three hearts, which is partly a consequence of having blue blood. An octopus has approximately 500 million neurons. Why do Octopuses have Three Hearts?.