2. Pupils will discover five, detailed facts about these incredible invertebrates in our National Geographic Kids’ Science primary resource sheet. Octopuses, to some, are erotic muses. Fact 1 The blue-ringed octopuses are the most venomous creatures on this earth. 2. You will receive a verification email shortly. They have a chewy texture which makes it a perfect addition to salads. Aside from the fact that male octopus typically dies a few months after mating, the female octopus also dies shortly after their eggs hatch. These special cells beneath their skin have thousands of colors. Interesting facts that octopus is a blue-blooded creature, which is awesome and probably makes them unique. Here are five interesting facts about them: With an arm span of up to 6 metres and a weight of about 50 kg, the giant Pacific octopus is the largest species of octopus in the world. In fact, most of them live no longer than a year, and even if you get them neutered, which would be a challenge in itself, they won’t last any longer than a gerbil or hamster does. "While I have observed and videoed octopuses hiding in shells many times, I never expected to find an octopus that stacks multiple coconut shells and jogs across the seafloor carrying them," said researcher Julian Finn, a marine biologist at the Museum Victoria in Australia, at the time. Octopuses (or octopi, if you prefer) are cephalopods, invertebrates that also include squid and cuttlefish. Native Hawaiian octopus species include the Night Octopus (he’e) and the Day Octopus (he’e-mākoko). The giant Pacific octopus or ‘Enteroctopus Dofleini’ is the biggest known octopus species. They squirt ink when they face danger and need to escape from their predators. Source = Zapatopi . Jun 11, 2020 - Explore Helene Robinson's board "Octopus for kids" on Pinterest. Fast octopus facts. These octopuses live across the globe. The term “octopus” came from the Greek word, ‘októpus,’ which means “eight-foot.”. Physicists attempt to unify all forces of nature and rectify Einstein's biggest failure. The hectocotylus is the modified arm of the male octopus which they use to transfer sperm to the female. But a bite from a small blue-ringed octopus can paralyze a human adult in minutes. By Karin Lehnardt, Senior Writer. Some species drop dead after just six months. 54 Interesting Facts About Dumbo Octopus. Although, its flavor mostly varies on the ingredients served with it. This was shown in a 1992 study were octopuses were shown another octopus performing a task requiring an object to be picked up. Each chromatophore cell has a flexible sac filled with pigment, called cytoelastic sacculus. Live octopus, or san-nak-ji, is a delicacy in South Korea. Octopoda is the scientific name of the octopus. Two hearts pump blood through every one of the two gills, while the third heart pumps blood between its organs through the body. They observe other octopuses. What's behind the mysterious, earth-shaking boom of the 'Seneca Guns'? Octopus blood is blue because it has a copper-based protein called hemocyanin. Octopuses camouflage themselves by matching their body pattern to selected features of nearby object, like this one looking suspiciously like a conch shell. Like fish, the octopus is breathing by extracting the water through their gills. Octopuses, like their cousin, the squid, are often considered “monsters of the deep,” though some species, or types, occupy relatively shallow waters. Although there is an ongoing study about some species showing social skills, octopuses are non-social creatures and they prefer to live alone in dens made from rocks. They have a beak in its mouth at the center point of their eight limbs. Due to this reason, their bodies are extremely flexible and they can squeeze through incredibly small spaces. Octopus can not stand dirt – they regularly “sweep” their shelter with a powerful jet of water. Think again folks… here’s 15 interesting facts about octopus… They pick up coconut shells, climb into them, and run along the ocean floor using their tentacles as legs. 13 December 2013. The giant Pacific octopus is also known as the Northern Pacific giant octopus. Octopuses can do all sorts of interesting things! 15. Here are eight awesome things we learned about the cephalopods from reading Katherine Harmon Courage's book "Octopus! Leite, T. S., et al. The octopus grabs prey, such as crustaceans and fish, and bites them to inject the venom. In fact, most of them live no longer than a year, and even if you get them neutered, which would be a challenge in itself, they won’t last any longer than a gerbil or hamster does. Due to the high intelligence of the octopus, the U.K. has considered it an honorary vertebrate for the sake of animal cruelty laws and it is Yes, like chimpanzees, dolphins and crows, octopuses are among the special set of intelligent animals that have been observed using tools. Octopuses are boneless creatures. Two branchial hearts of octopus pump the blood to the gills while the larger systemic heart circulate the blood to rest of body. Octopuses can change their skin colors in the blink of an eye! The hemocyanin is also dissolved in the plasma rather than being carried within blood cells making the octopus’ blood look bluish. Various octopus facts proves that octopus is very strange and mysterious species. The giant Pacific octopus is the longest-lived octopus species, usually living 3 to 5 years in the wild. One lacks an official name but is sometimes described as adorable due to its appearance. Although all octopuses have venom, not all of them are dangerous to humans. Here are 15 interesting facts about the mimic octopus. There are over 200 species of octopuses and all of them live in oceans around the world, usually near the coral reefs. First and foremost, the most fascinating feature of the mimic octopus is its fantastic ability to accurately mimic and disguise itself as other marine creatures. Like most creatures, they likewise have two eyes. Please deactivate your ad blocker in order to see our subscription offer, (Image credit: NOAA Okeanos Explorer Program, 2013 Northeast U.S. Canyons Expedition.). When scared, octopuses will shoot a dark cloudy, ink-like liquid which will temporarily blind and confuse the attackers, giving the octopus precious time to escape. According to the recent studies, octopuses are quick learners. It has been commonly studied among the octopus species. However, this protein makes the blood very viscous, so it needs substantial pressure to pump it around the whole body. A blue-ringed octopus’ bite is often painless. The dumbo octopus reminds observers of the Disney cartoon character known as Dumbo the Elephant. Raw octopus delicacies like octopus sushi or tako are popular in sushi restaurants. Interesting Facts About Octopuses. Because of that, octopus loses its shape when it is pulled out of the water. The Cane Toad is a rather unique and deadly member of the toad species of amphibians. Interesting Facts About Octopuses Octopuses normally swim by pulsing their tentacles, like the bell of a jellyfish. 1-5 Octopus Facts 1. They are found in almost all the oceans of the world and have a more or less benthic existence. Hemocyanin, a copper-rich protein, helps transport oxygen around the octopus’ body. Here are 15 interesting facts about the mimic octopus. If the invertebrate structure has suckers along its entire length, it's called an arm; if it only has suckers at the tip, it's called a tentacle. But the creature doesn't simply take on the general pattern of its surroundings. Please refresh the page and try again. Each year, more than five people perish just by eating live octopus. To prevent this, they either mate in a distance, or the male octopus will mount onto the back of the female octopus, leaving time for his escape if things go wrong. Most … If you’re curious about the qualities that make the octopus stand out in comparison with its marine neighbors, here are our 10 Fun Facts About Octopus. Here's what we know. All octopuses are thought to have some venom that comes from bacteria living inside the animals. Facebook; Prev Article Next Article . Their arms span up to 4.3 m or 14 ft. It is because of the octopus’ tentacles that sucks in the throats of the victims resulting in accidental suffocation. When mating, the male octopus will insert his hectocotylus into the female’s mantle cavity and deposit spermatophores. Three especially interesting types of octopuses live off the coast of California. There was a problem. January 24, 2018. Description . © Giant Aztec skull 'tower' unearthed in Mexico. Caldwell, Roy L., et al. Interesting facts about octopuses. They can be found on sea beds, ocean floors, in shells, reefs and crevices. Top speed: 40km/h Interesting Facts About Octopus. The octopus’s ink expulsion is their best defense against predators to hide from their sight. The Mollusc Octopus has pink tentacles and a red belly. Octopus lives in different places of the ocean such as pelagic waters, coral reefs, and the seabed. Stay up to date on the coronavirus outbreak by signing up to our newsletter today. Scientists have recently sequenced the genome of the California two-spot octopus and have found that it contains … They are small in size but have the ability to kill 26 human beings within a span of few minutes. When it’s cooked, the octopus has a unique smell and texture. They are found in the water of Puget Sound. The color of this octopus is reddish-brown. Octopus is grouped within the class ‘Cephalopoda’ along with squids, nautiloids, and cuttlefish. The beak (or the beak-like jaw) which is in the shape of a parrot beak, is the only hard structure in their body. Find out about these and other octopus facts. In 2009, scientists reported they had watched veined octopuses (Amphioctopus marginatus) picking up discarded coconut shells and using them like mobile homes. It is believed to be a “stamina booster” primarily during the summer season. These are two different colors, and if you didn’t know the difference, you wouldn’t be able to tell the difference between the two. If you’re curious about the qualities that make the octopus stand out in comparison with its marine neighbors, here are our 10 Fun Facts About Octopus. During mating, the male octopus inserts a specialized arm called a hectocotylus into … So their tentacles or “arms” are vulnerable to damage. Scientific name: Octopoda Family name: Octopodidae Classification: Invertebrate IUCN status: Not evaluated Lifespan (in wild): 1-2 years Weight: 3-10kg Body length: Generally 30-90cm (some species can grow to 5.4m!) Interesting and Fun Facts about Octopus. Like most creatures, they also have two eyes. This gives them a slight edge of advantage to escape from predators as well as catching prey. Instead, it often mimics specific undersea objects, like plants or rocks, to disappear into the underwater scenery. "Octopus Facts." Look no further, here are some octopus facts! Name octopus is derived from a Greek language and it means eight-footed. At the Seattle Aquarium, today is the first day of Octopus Week! "Octopus! Photo: ...more. They are also small compared to most octopus species with a size of only five to eight inches. One pumps blood through its organs; the two others pump blood through its gills, according to the World Animal Foundation. Courage, Katherine Harmon. [Read full story on the mobile home-building octopus], Well, at least a female giant Pacific octopus named Billye can. For some, eating live octopus is said to be good for the blood sugar levels. Most octopus has a short lifespan between 1 year to 5 years depending on the species. The octopus is not just a tasty meal for humans but also from its predators in the ocean such as sharks, dolphins, whales, seals, and other large varieties of fish. It was made through a beer can. Some species of octopus can live down to the depths of more than 10,000 feet. They have arms. Octopuses are the most intelligent invertebrates. Red blood is iron-based which, is an essential component for living beings. They are more commonly found in Japanese waters, the Mediterranean Sea as well as the Eastern Atlantic Ocean. An octopus has 8 appendages. And if you're a linguistic know-it-all, you're probably well aware that they're called octopuses and not octopi. These interesting octopus facts are only the beginning on this list, full of fun information about octopuses. But when they get mature enough, they move towards the arboreal existence. Interesting Facts about the Octopus Octopus Do Not Live Very Long. By Thank you for signing up to Live Science. Conservation Status: Unassessed by … Biologists at the Seattle Aquarium put Billye's strength and smarts to the test with a bottle-opening challenge. They can smell through their tentacles. However, like other octopus species, it can also change the texture as well as the color of its skin thanks to the pigment cells on its skin. I learned many new facts and enjoyed the videos immensely. Giant Pacific Octopus Facts for Kids Giant pacific octopus has fat and round-shaped head. A 71-year-old man in South Korea choked to death after eating a chopped but wiggling octopus tentacles. So In this blog I am listing the fascinating, interesting and amazing facts about octopuses … However, they can still survive for a short time. 02 There are over 250 species of octopus. 4 years ago. Those neurons assist the arms to independently touch, taste, and have their own basic motions giving the impression that octopus has nine brains. They have two eyes, four pairs of arms or tentacles, three hearts, a large head or “mantle”, with its … How does this happen? Its beak and radula are at the center of the mantle. The largest octopus was caught in 1945. They are commonly found in the coral reefs and tide pools in the Indian and Pacific oceans. New York: Penguin Group, 2013. No Comments. But anecdotes from aquariums and biology labs suggest octopuses are very curious and need stimulation. The taste is like the calamari or squid, whereas its texture is similar to a slice of chewy pork. Octopuses are invertebrates, which mean that they are boneless. Here are a few of the more interesting octopus facts for kids. Octopuses are able to fit into small spaces. Octopuses are one of the most interesting sea creatures. All octopuses can produce ink except for those octopuses that live in the deep open ocean. "Geographic Variability of Octopus Insularis Diet: From Oceanic … Due to this, the octopus’ blood pressure can exceed 75 mmHg or 10kPa. Raw octopus has a slightly sweet taste. Octopuses are one of the most interesting sea creatures. Octopus actually have very short life spans. It is also a part of the evolution of its intelligence. ), Dumbo octopuses are the deepest living known octopuses. This exhausts the octopus, which is likely the reason they prefer to crawl than swim, according to the Smithsonian article. Though "octopi" is colloquially sound and very fun to say, … Interesting facts that octopus is a blue-blooded creature, which is awesome and probably makes them unique. They don’t have a vertebral column, that is, they are invertebrates. Octopuses are sea animals famous for their rounded bodies, bulging eyes, and eight long arms. They are found in various parts of the oceans, most commonly in the coral reefs. Octopuses have decentralized brains and the majority of its neurons live in the arms. Name octopus is derived from a Greek language and it means eight-footed. Octopuses (or octopi, if you prefer) are cephalopods, invertebrates that also include squid and cuttlefish. Fact 2 They have two eyes, four pairs of arms or tentacles, three hearts, a large head or “mantle”, with its mouth at the center point of the arms. While octopuses are often described as … The tentacles can continue to pick food and place it on its mouth. There are a lot of fun facts for kids about these octopuses that can help them learn a lot about this bizarre type of creature. Scientific name: Octopus vulgaris Type of Animal: Mollusk Animal Family: Octopodidae Where Found: North Atlantic Ocean, South Atlantic Ocean, Mediterranean Sea, Caribbean Sea Mantle Length: 25cm (10 in.) An octopuses can change the color of its entire body in just three-tenths of a second. The systemic heart is notably remains inactive when the octopus swims that’s why octopus becomes easily tired and crawls. You can find a freshwater octopus in the rivers of, Octopus are also popular in mythology much like the “Kraken.”. This was shown in a 1992 study were octopuses were shown another octopus performing a task requiring an object to be picked up. If their beaks are able to fit through something, the rest … Want to know more about them? When the octopus is in a cold environment with low oxygen levels, hemocyanin carries oxygen more efficiently than hemoglobin, a metalloprotein in the red blood cells that also transports oxygen. PicFacts(1-500) PicFacts(501-1000) PicFacts(1001-1500) PicFacts(1501-2000) PicFacts(2001-2500) PicFacts (2501-3000) PicFacts (3001-3500) PicFacts (3501-4000) PicFacts … Written by Elise McDonald. Describing them would make a hub in itself. A threatened octopus can eject a black inky fluid from their bodies, reducing visibility and confusing … But you know blue blood is copper-based, which is a more efficient mineral for transporting oxygen in a cold, low-oxygen environment. These spineless but colorful sea-dwelling beasts have been around for ages keeping life in the ocean interesting. Their ink is accompanied by mucous when produced. During this time, it leads a solitary existence, breeding only one time. Octopus can be served both raw or cooked. Octopuses normally swim by pulsing their tentacles, like the bell of a jellyfish. The so-called "ghost octopus" is the most recently discovered species on this list. For the past few years, this aquarium has an entire week dedicated to these cephalopods and will have all sorts of events to celebrate!So for this week’s fun facts corner, I thought I’d share some fun facts about these interesting marine creatures. Also known as the common octopus, this species of octopus belongs to mollusks class Cephalopoda. But did you know that all octopuses have venom? Here’s a list of some facts about tree Octopus that will bewilder you : 1) Native Place of Tree Octopus. Octopoda is the scientific name of the octopus. There are around 300 recognized octopus species, which is over one-third of the total number of known cephalopod species. Blue-ringed octopuses feed on crabs, shrimps, and injured fish. The octopus is an intriguing creature of the seas that derives its name from a Greek word which means eight-footed. Which species of octopus lives at depths of up to 4,800m?! Because of that, octopus loses its shape when it is pulled out of the water. Octopus actually have very short life spans. Your email address will not be published. The adult giant Pacific octopus weighs around 33 lbs. If the muscles around the sac tense, the sacs stretch, so more color is visible in the octopus’ skin. Live Science is part of Future US Inc, an international media group and leading digital publisher. These creatures are truly amazing, and I think you will be impressed by how awesome they are! The National Zoo's new Giant Pacific octopus, saying hello to the crowd during its naming ceremony. drbj and sherry from south Florida on August 19, 2015: What a fascinating trip into the world of these unusual octopuses, Alicia. Find out about these and other octopus facts. Interesting Facts About Octopus For Kids Octopus Facts For Kids. Octopuses have three hearts that pump blue, copper-based blood. Blue-ringed octopuses usually catch crabs and shrimps using their arms. Sometimes the octopus just releases its saliva into the water and waits for the venom to paralyze its victims. This problem is so widespread that restaurants and bars serving live octopus had to display warnings for customers to “chew thoroughly before swallowing.”, Read also: 50 Interesting Giraffe Facts That Will Tower Over You. Massive supercontinent will form hundreds of millions of years from now, Man who died of constipation 1,000 years ago ate grasshoppers for months. They live in all the world’s oceans but are especially abundant in warm, tropical waters. Visit our corporate site. From three hearts , blue blood, nine brains, Camouflage to mating process of Octopus, all are curious area of studying. Scientific studies are increasingly confirming that they are sentient creatures. A common octopus has about 240 suckers on each limb, and a particularly large sucker can hold up to 35 lbs. New York, An octopus has a hard beak, like a parrot beak, which they use to break into and eat their pray such … Everyone knows that octopuses have eight sucker-covered arms. Japan’s notorious “tentacle erotica” traces back to an 1814 … Blue-ringed octopus is recognized as one of the most venomous marine animals on this planet. Therefore, many victims of the blue-ringed octopus suffered from the effects and they are harmed even without knowing it. Their ability to change colors, using greater force compared to their body weight, and squirt ink when they feel threatened is the evidence of its problem-solving skills. Today I want to write about a really cool octopus, the giant Pacific octopus. Octopuses are sea animals famous for their rounded bodies, bulging eyes, and eight long arms. It is a Master of Disguise First and foremost, the most fascinating feature of the mimic octopus is its fantastic ability to accurately mimic and disguise itself as other marine creatures. Only the blue-ringed octopus is fatal just with one bite. [3] An octopus is a mollusk, like clams and shells; however, through evolution, it lost its shell. PLOS One 10.8 (2015): e0134152. Red blood is iron-based which, is an essential component for living beings. The Octopus only lives in oceans due to their need for saltwater. The clever cephalopod was able to unlock the top and access her snack in five minutes. Chances are you only know the basics of these creatures, but that is all about to change. These were a few interesting facts about the Octopus. Where cephalopods are concerned, marine biologists are careful to distinguish between "arms" and "tentacles." Conservation Status: Unassessed by … octopuses can do all sorts of interesting things humans prone! Studies, octopuses are thought to have some venom that comes from the sacs... Or 14 interesting facts about octopus, there is a very smart creature and can mimic other species and even rocks. 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