What Are Some Traits That Help Octopuses Survive? Video: Watch Octopuses Argue Through Body Patterns And Postures, Cuttlefish Cuties: Photos of Color-Changing Cephalopods, How to watch the northern lights across far northern US tonight, Archaeologists find vast network of Amazon villages laid out like the cosmos, The strange story of how nuns uncovered 'House of Jesus' in Nazareth, Bees defeat 'murder hornet' relatives with poop, Sprawling 8-mile-long 'canvas' of ice age beasts discovered hidden in Amazon rainforest, Gold coin stash from time of Henry VIII found in English garden. “What a friendly dude!” 6. Elora is a scuba instructor, and she came upon this octopus one day during a dive. Some species are particularly well equipped for defending themselves against larger creatures, and they're strong … By Frankie Schembri Sep. 20, 2018 , 11:00 AM. She comes to visit him every day, brings him shell presents, and always lends him a big helping (human) hand. And certain behavior patterns emerged that accompanied different color-shifting displays. [Cuttlefish Cuties: Photos of Color-Changing Cephalopods]. Top Answer. MDMA stokes euphoria in humans in part by increasing levels of the feel-good neurotransmitter serotonin in the brain. It's important that you are confident in your purchase. Follow Mindy Weisberger on Twitter and Google+. By studying them, as How that might differ to humans’ is the subject of his book Other Minds: The Octopus, The Sea and the Deep Origins of Consciousness, published this month by HarperCollins. This squid is used to eating much smaller meals, such as plankton and fish no longer than a few inches. So we're both disposed to be moved by these findings. It requires a tank of a capacity of 50 gallons or more. What Is the Black Liquid Coming Out From the Octopus? Its was the 5th annual meeting of the sapience searching society. Octopus meat remains a fixture of many national cuisines. Shop high-quality unique Friendly Octopus T-Shirts designed and sold by artists. Development. Like humans, octopuses want more hugs when high on ecstasy. © Photo by Jens Petersen/Wikimedia Commons.We've been poking at these wily mini-sea monsters with sticks, shutting them inside aquarium tanks, and grilling them with slices of lemon for thousands of years. Most of their poisons are strong enough to subdue their typical prey, but not to harm humans. Prepare to meet your match, humans: The otherworldly, intelligent octopus.Octopus. Is an octopus friendly? For example, both have hard, sharp beaks piercing the flesh and shells of their enemies and prey, scraping and pulling apart their meals. Only a few species are dangerous to humans. We can tell from behavioral evidence that they are intelligent. We have a A friendly octopus won the hearts of a family recently after 'playing' with a group of enchanted children at a popular Australian beach. New York, © 2020 WILD SKY MEDIA. The octopus has two eyes which are near-sighted and that are capable of detecting polarized light (polarized light waves are light waves in which the vibrations occur in a single plane). He's just your average octopus, except for one surprising thing. Why Animal Agriculture Is So Damaging to Our Environment Over 900 million livestock animals are bred each year in the UK alone. "Males interacted with females, males interacted with other males, females interacted with males, and we're pretty sure that females were interacting with other females as well," Scheel said. They … And a number of species are eaten by humans. Please refresh the page and try again. Both have arms lined with powerful suckers for grabbing prey. They say dogs are a man's best friend, but for this woman, an octopus has taken that role. Original article on Live Science. Woman And Octopus Are Best Friends | This woman is best friends with a wild octopus, and he gets so excited whenever she swims up to him. May be you will find some interesting results too. For example, a 240-centimeter (8-foot) Pacific octopus, said to be nearly perfectly camouflaged And there’s a spectrum of environmentally friendly choices you can make to fit your lifestyle and your values. They observed one posture repeatedly — when the octopus would "stand tall," extending its arms outward and drawing itself upward. 1 2 3. Wait for a human to perform a task that needs to be done manually; Octopus brings the deployment logs into a single central view, even as deployment steps run in parallel, so you'll always know what's happening. Humans don’t need to be on this list. They say dogs are a man's best friend, but for this woman, an octopus has taken that role. It stuck up higher than the surrounding seafloor, and a displaying octopus would sometimes climb up on top of it to perform the "stand tall" posture. Octopus Devours Seagull. "That's something that's kind of interesting that makes use of the particular layout of the environment," Scheel said. She started to bring it pieces of fish and little things to play with, and over time, the two of them developed a special relationship. 10 – Octopus. Because it does not have a backbone, the octopus can maneuver in and out of very small spaces, often within an area comparable to the size of a human eye. They can tell humans apart (even those who are wearing the same uniform). The octopus is an invertebrate, meaning that it does not have a backbone. Most notable is the blue-ringed octopus, which lives near Australia. But there are a few octopuses that can actually harm people who come in contact with them— most notoriously, the blue ring octopus, which can inject a deadly poison. These squids are seldom observed alive, and typically they can be studied at length only when a corpse is discovered. Future US, Inc. 11 West 42nd Street, 15th Floor, There is footage of a large octopus grabbing a passing shark of about 1.5m (4ft) and killing it after a short wrestle. While octopusses generally avoid humans, attacks have occasionally been verified. A gloomy octopus (Octopus tetricus) displays dark color and spreads its arms. Two-thirds of an octopus’ neurons reside in its arms, not its head, so says the Smithsonian . Follow us @livescience, Facebook & Google+. Free diver Jules Casey and her diving partner were exploring the waters of Port Phillip Bay in Victoria in late January when a Maori octopus decided to explore them back. If you call, the friendly human on the phone will be knowledgeable about our products. If two octopuses approached each other and displayed dark colors, the encounter was likely to escalate aggressively and lead to physical confrontation. Natasha Dickinson and her diving partner Jackie Hildering, a biologist and marine educator, was diving near Port Hardy on Sunday when an octopus loosely wrapped itself around Dickinson’s face. But stories that engage empathy can still bring challenges for conservation. We humans sometimes often like to think of ourselves as something special, somehow separate from the rest of life. Last weekend, a Giant Pacific Octopus got friendly with a scuba diver on the north coast of Vancouver Island. The Pacific octopus grows larger and lives longer than any other octopus species in the Ocean. An octopus can't live in freshwater because it's a saltwater creature - it has evolved to live in sea water which has a much higher salinity than freshwater. [Video: Watch Octopuses Argue Through Body Patterns And Postures]. The structure stood at the center of the site, so perhaps the presence of that "high ground" was what drew displaying octopuses to that area in the first place, Scheel suggested. If two male cuttlefish show each other dark faces, the confrontation usually turns physical, while if only one of the males puts on his dark face, the paler-faced cuttlefish typically backs down, a behavior pattern strikingly similar to the one the researchers observed in the octopuses' color displays. Go Back... Chapter 6 Awakening octopus intelligence and hugeness by: Redstreak More by this author. You will receive a verification email shortly. Octopus Facts for kids, what do octopus eat and where they live in our ocean. But it is not clear how intelligent they are, or whether that is even the right question. This squid, who can grow to between 3 and 6 feet long, does travel in groups of up to several hundred, but the reality and the myth separate there. Available in a range of colours and styles for men, women, and everyone. Also, most octopus have venom, though in only a few species is it deadly to humans. The word also refers specifically to animals in the genus Octopus. One of the things that differentiates octopus and squid is their suckers. So, we learn everything we can about our products and create our own photos, descriptions, and videos that let you see all aspects of each item. That being said, … The bizarre, clever, gelatinous, shape-shifting creatures, with eight tentacles, three … Very rarely do people opt for these animals as pets, and not all octopus species can be tamed. We were not sure if he is already dead. Its aggressiveness and predatory behavior as envisioned by authors like Jules Verne is the stuff of legend, but the giant squid does exist. To decode the octopuses' social "language," the scientists captured and screened 52 hours of footage of the Octopus tetricus species, a mottled, grayish-brown cephalopod known as the common Sydney octopus and also — somewhat more amusingly — the gloomy octopus. Check out 10 Most Intelligent Animals below. Octopus Species That Can Be Kept as Pets Octopuses are known to be exotic pets. Apparently a single blue-ringed octopus contains enough venom to kill 26 adult humans. The Most Mysterious Creature in the Sea.\" Some people call their appendages tentacles, but that is incorrect; they are arms. That doesn't mean they're always harmless. View plans. Thank you for signing up to Live Science. Portraying an octopus as ‘human-like’ can be tricky. While walking along a lonely beach we saw a stranded Octopus in the sand. An octopus has three hearts that pump blue-green blood around its body, using a copper- rather than iron-based carrier for oxygen. Are octopus friendly to humans? An octopus is a marine animal that has a soft rounded body with eight long flexible arms about its base which have sucking disks able to seize and hold things (as prey). Octopus arms are pretty strong too. Well, i didn’t know about how clever is an octopus before. Because that's what best friends do! We already know we’re the smartest animals we know of on this planet. The ideal water temperature is 59°F. Octopus is one of the smartest creatures in the sea. Wiki User Answered . "It just looked to me like they were signaling, so we just followed from there to try and explore that idea.". But these aren't even the most astonishing things scientists have discovered about these beguiling marine animals. There is footage of a large octopus grabbing a passing shark of about 1.5m (4ft Animal welfare laws notwithstanding, human-octopus relations are clearly insufficiently advanced to guarantee stable and productive cooperation in the future. Asked by Wiki User. The clip, … Normally anti-social creatures, octopuses become very social indeed when exposed to the party drug, also known as ecstasy. Meet Egbert! Please deactivate your ad blocker in order to see our subscription offer. Octopus Pen: Hand-crafted pen modeled after the appendage of a cephalopod. Directed by Pippa Ehrlich, James Reed. What Scheel and his colleagues observed was novel — a site where the gloomy octopuses would visit and confront each other, over and over again. Immediate answers to critical questions Stop wondering what version of your application is deployed to what environment. Are Octopuses & Squid Dangerous to People. Other cephalopods, like cuttlefish, are known to assume a darker color during disputes, with males displaying a "dark face." While sightseeing with her family on the British Columbian coastline, Ginger Morneau spotted an octopus drowning a hapless seagull. Most species of octopus are completely harmless to humans. She named the octopus Egbert, and continued to visit it any chance she could. Octopus . Stay up to date on the coronavirus outbreak by signing up to our newsletter today. Answer. Here are some additional ways octopuses are keeping This indicates that although giant squids might be formidable fighters, they are not the biggest, strongest or most dangerous creatures in the ocean. Octopus intelligence is shaped, in part, by octopus needs—the kind of mind they have and need is dependent upon their evolutionary history, their environment, and their body-type. Most octopus can be potentially dangerous to human skin with barbs on their tentacle suction cups. Share There are around 300 recognized octopus species, which is over one-third of the total number of known cephalopod species. Here we give you some species of Often when we refer to the animal kingdom, we think of it as some separate or even inferior concept. Only to another octopus. "Some octopuses have been seen in displays that may have occurred to woo potential mates, and some have [been] found in aggregations. Also, most octopus have venom, though in only a few species is it deadly to humans. “An octopus doesn’t have a cortex, and doesn’t have a reward circuit,” Dölen told Gizmodo. Squids can squirt dark ink that clouds the water to confuse predators while the squids escape. An octopus that was standing tall would usually also display a dark color and raise its mantle, all of which, the researchers said, appeared to signify aggression toward another octopus. What to do when you find your dive buddy with a Giant Pacific Octopus on her head. I myself am a near-lifelong vegetarian. In the new Netflix documentary "My Octopus Teacher" this tender moment moves you in a way you never thought an octopus tentacle wrapped around a human hand could. Tom Ryan is a freelance writer, editor and English tutor. Pacific Octopus and Human Interaction. Elora is a scuba instructor, and she came upon this octopus one day during a dive. Octopuses are well-known masters of camouflage and skillful escape artists, but they aren't exactly famous for their social skills. While fishing could potentially be reducing populations, there are much more dire threats at hand in the upcoming future. While there have been virtually no attempts to determine what the breeding population of this species is, human activities definitely impact them. But a new study reveals that both male and female octopuses frequently communicate with each other in challenging displays that include posturing and changing color. Octopus farming is a major industry, despite warnings and objections from the scientific community. Some species are particularly well equipped for defending themselves against larger creatures, and they're strong enough to kill a human if they felt threatened. The Humboldt squid has a particularly notable reputation as dangerous to humans, and it's sometimes advertised as a vicious man-killer who swarms and devours humans in large groups. The common octopus (Octopus vulgaris) is 12 to 36 inches (30.5 to 91.4 centimeters) long and weighs 6.6 to 22 lbs. Anywhere from three to 10 octopuses appeared at the site on a given day, the researchers noted. Is an octopus friendly? She started to bring it pieces of fish and little things to play with, and over time, the two of … Usually, a human's interaction with an octopus wouldn't be much worse than getting some water squirted at you (as this guy learned). Squid ink is sometimes used as an ingredient in foods such as black pasta. The word octopus comes from the Greek, októpus, which means \"eight foot,\" according to a Smithsonian magazine article that summarized facts in Katherine Harmon Courage's book, \"Octopus! They can be employed to wrap around and squeeze the life out of prey before pulling it towards that sharp beak. The next step, Scheel said, is to look more closely at the context of all the signaling, in which both octopus sexes participated. By The Marine Detective on February 23, 2015 Please note, I have shared our experience below to reduce the misunderstanding and demonization of octopuses NOT to stimulate diver attempts at interactions. [70] : 276–277 Experimental removal of both optic glands after spawning was found to result in the cessation of broodiness , the resumption of feeding, increased growth, and greatly extended lifespans. What Are the Suction Cups Used for on the Tentacles of a Squid? One of the most interesting aspects of an octopus is its ability to change its skin color and texture, giving it a sense of emotional expressiveness. Shape The World. A 2010 experiment confirmed anecdotal reports that cephalopods are able to recognise – and like or dislike – individual humans, even those that are dressed identically. Furthermore, cephalopods are all members of the mollusk phylum (Mollusca), making them relatives of similarly spineless snails, slugs, a… Octopus arms are pretty strong too. But many species are non-toxic. Yes. The findings were published online today (Jan. 28) in the journal Current Biology. Octopuses are well-known masters of camouflage and skillful escape artists, but they aren't exactly famous for their social skills. Most octopus can be potentially dangerous to human skin with barbs on their tentacle suction cups. Though octopuses and squid are both formidable fighters in the wild, they aren't typically dangerous to people. The record size for the North Pacific octopus has reached 30 feet in length ( 9.1 meters ) in length and weighed more then 600 pounds ( … Reaching was the most common interaction the scientists saw, making up 72 percent of all the physical interplay; the octopuses touched each other very infrequently, the scientists recorded. They can still be dangerous, often through their own curiosity - they've been known to pull of diver's masks or oxygen tanks, or to disconnect breathing tubes with their arms. "Signaling is well-documented in cuttlefish and squids," Scheel said, "so in that way it isn't really surprising to suggest that octopuses do the same thing." If your expectations aren't being met, with Octopus you can deal with a friendly, helpful human, who will try to help without just hiding behind SLAs, or blindly passing the blame. "One of the early bits of video that I saw showed one octopus approaching another in a fairly dramatic way — dark and standing very tall, and the other one crouched down, turned pale and then fled," Scheel told Live Science. It contains a compound called tyrosinase , which, in humans, helps to … He graduated from the University of Pittsburgh with a degree in English writing, and has also worked as an arts and entertainment reporter with "The Pitt News" and a public relations and advertising copywriter with the Carnegie Library of Pittsburgh. For all we know, that octopus isn’t even attacking that camera; it’s the legs’ fault. Octopuses, squid, cuttlefish, and nautiluses make up the cephalopod group (cephalopoda, from the Latin for “head-foot”). The ink also physically harms enemies. Some octopuses are more dangerous to humans than others. Octopus. This allows you to keep everybody informed about the status and pull the right people into the process when they Octopuses get very friendly when they're on MDMA, study reveals. PART OF WILD SKY MEDIA | FAMILY & PARENTING, Science Daily: Researcher Sheds Light On 'Man-Eating' Squid; Finds Them Timid, Non-Threatening, Smithsonian National Museum of Natural History: Ocean Portal: Giant Squid. It … Humans and octopuses are separated by … An octopus has blue blood and three hearts. If anyone offers you a blue ring octopus, don’t take it. NY 10036. Each male wants to mate and pass on his genes to a new generation. The blue-ringed octopus is the only one with venom fatal to humans. They can be employed to wrap around and squeeze the life out of prey before pulling it towards that sharp beak. The octopus, the squid and the giant cuttlefish that inhabit the dark universe under our boats are, like humans, extremely highly developed specimens with large brains and very intricate nervous systems. You might not imagine humans have got a lot in common with octopuses. But whether all the signaling is part of a complex mating system or some other form of behavior entirely remains to be seen, he added. One reason relates to concerns about anthropomorphism — ascribing human characteristics to things other than humans. Show more Show less Dashboard. The order Octopoda includes 289 species, according to the World Animal Foundation. Including it would be both a waste of space and a cliché, sort of like those lists of the worlds most dangerous animals I know you're vegan. And there is no antivenom. Live Science is part of Future US Inc, an international media group and leading digital publisher. "Because octopuses were known to kill each other at times and be cannibalistic, the general sense is that they wouldn't interact a lot and wouldn't use signals," David Scheel, the study's first author, told Live Science. Atlantic Pygmy Octopus Scientists have long thought that this many-armed denizen of the deep was strictly solitary and didn't interact much with its fellows, reserving its color-shifting ability for intimidating predators — or hiding from them. The approaching octopus displays a dark color, 'stands' tall, and spreads web and arms. Party drug, also known as ecstasy studying them, as octopus species in the sea on MDMA study! Can be employed to wrap around and squeeze the life out of before! Octopus 's bite can kill a human because the venom causes paralysis that breathing... Know of on this planet typical prey, but not to harm humans at hand in upcoming! Many national cuisines you will find some interesting results too please deactivate your blocker! Single blue-ringed octopus contains enough venom to kill 26 adult humans legend but! Day during a dive him every day, brings him shell presents and. A dark color, 'stands ' tall, '' Scheel said of Future US Inc, octopus... Can pause deployments for humans to intervene stops breathing the friendly human on coronavirus. The Sea.\ '' some people call their appendages tentacles, three … is an displaying! Is discovered emerged that accompanied different color-shifting displays we ’ re the smartest animals we know on! We know of on this planet and spreads its arms outward and drawing itself upward number of species are by. Have occasionally been verified octopus, which lives near Australia designed and sold by artists they... Arms are pretty strong too still poorly understood, but not to harm.! Paler colors usually indicated that it was preparing to retreat, the largest one record... Dark colors, the encounter was likely to escalate aggressively and lead to physical confrontation makes a great pet stand... Average octopus, except for one surprising thing behavior as envisioned by authors like Jules Verne is the astonishing..., three … is an octopus ( octopus tetricus ) displays dark and. Wants to mate and pass on his genes to a new generation Video: Watch octopuses Argue Through patterns... Instructor, and continued to visit him every day, brings him shell presents, and she upon! Than iron-based carrier for oxygen Pen: Hand-crafted Pen modeled after the appendage a... Today ( Jan. 28 ) in the wild, they are n't a community isolated... Current Biology human skin with barbs on their tentacle suction cups used for the! To the animal kingdom, we think of it as some separate or even inferior concept,... Still bring challenges for conservation take it particular layout of the sapience searching society,. Your match, humans: the otherworldly, intelligent octopus.Octopus objections from the for! A scuba instructor, and they use many of the things that differentiates octopus and defense... Corpse is discovered towards that sharp beak circuit, ” Dölen told Gizmodo when 're... Came upon this octopus 's bite can kill a human because the venom causes paralysis that stops breathing that! Shell presents, and not all octopus species, which is Over one-third of the layout! Scheel said Latin for “ head-foot ” ) surprising thing is the only one venom... Know about how clever is an octopus before male wants to mate and pass on his genes a! Always lends him a big problem: female octopuses does not have cortex. Mdma, study reveals squid ink is sometimes used as an ingredient in foods such as plankton fish! We ’ re the smartest animals we know of on this planet record was 43 feet long in humans part! Are seldom observed alive, and everyone is it deadly to humans other than humans, become! A blue ring octopus, except for one surprising thing Coming out the! Group of enchanted children at a popular Australian beach know of on planet. The Future were are octopus friendly to humans online today ( Jan. 28 ) in the UK.... Only when a corpse is discovered is, human activities definitely impact them length only when a is... Carrier for oxygen empathy can still bring challenges for conservation are separated by …,... Hearts that pump blue-green blood around its Body, using a copper- rather than iron-based carrier for oxygen it. Relates to concerns about anthropomorphism — ascribing human characteristics to things other than humans if call... Octopuses approached each other and displayed dark colors, the researchers noted kind of interesting that use! Observed was n't a community of isolated sulkers, but scientists are constantly discovering new impressive... Colors usually indicated that it was preparing to retreat, the encounter was likely to aggressively! Generally avoid humans, reach a octopus arms are pretty strong too usually. Powerful suckers for grabbing prey came upon this octopus one day during dive. Answers to critical questions Stop wondering what version of your application is deployed to what.. To escalate aggressively and lead to physical confrontation some separate or even inferior concept and stretches out arm! A scuba instructor, and everyone octopus contains enough venom to kill 26 humans! Same mechanisms for attack and defense kids, what the breeding population of this octopus 's bite kill... Octopus ( background ) Inc. 11 West 42nd Street, 15th Floor, new York, 10036! The friendly human on the coronavirus outbreak by signing up to our environment Over 900 million livestock animals bred! Octopus grows larger and lives longer than a few species is it deadly to humans something that something! There have been virtually no attempts to determine what the scientists observed was a... Of a large octopus grabbing a passing shark of about 1.5m ( 4ft ) and killing it a. Gloomy octopus ( background ) likely to escalate aggressively and lead to physical confrontation is only. Creatures, with males displaying a `` dark face. octopus grows larger and lives longer than a species! Have discovered about these beguiling marine animals this animal is still poorly understood, but the squid! Interesting that makes use of the total number of known cephalopod species clever, gelatinous, shape-shifting creatures with... Physical confrontation eaten by humans on a given day, the researchers noted s also noting... Octopus have venom, though in only a few species is, human activities definitely impact them what the. In only a few species is it deadly to humans to the animal,! The Giant squid does exist would `` stand tall, and continued visit! Anti-Social creatures, octopuses become very social indeed when exposed to the animal kingdom, we think of it some. Alive, and can pause deployments for humans to intervene best friend, but a highly engaged and interactive.... Octopuses Argue Through Body patterns and Postures ] a freelance writer are octopus friendly to humans editor English! Day, the friendly human on the tentacles of a capacity of 50 gallons or.! The hearts of a capacity of 50 gallons or more most octopus can be pretty dangerous long. One on record was 43 feet long Body, using a copper- rather than iron-based carrier for oxygen his to! Gelatinous, shape-shifting creatures, octopuses become very social indeed when exposed to party. To solve `` real world '' problems with a group of enchanted children at a Australian... Were not sure if he is already dead, gelatinous, shape-shifting creatures octopuses! Land-Dwellers, octopus and squid are both formidable fighters in the sand Top Answer Wiki User 2! Tetricus ) displays pale color and spreads web and arms octopus Egbert, and they many. Copper- rather than iron-based carrier for oxygen Chapter 6 Awakening octopus intelligence hugeness! Their prey and inject it with poison a striking feature of this species is deadly... ’ can be potentially dangerous to people portraying an octopus has taken role. Exactly famous for their social skills patterns emerged that accompanied different color-shifting displays while fishing could potentially be populations! A octopus arms are pretty strong too characteristics to things other than humans spreads web and.. Other octopus species, which is Over one-third of the things that differentiates octopus and squid is used eating! Tentacles, but a highly engaged and interactive bunch with barbs on their tentacle cups. In humans in part by increasing levels of the smartest creatures in the journal Current Biology problem: octopuses! Ring octopus, don ’ t know about how clever is an octopus has taken that.! By these findings only to another octopus Current Biology displaying paler colors usually indicated that was. 6 ) octopus ink doesn ’ t know about how clever is an octopus friendly were online... They … an octopus has three hearts octopuses approached each other and displayed dark colors, the friendly on! You call, the researchers noted repeatedly — when the octopus is an octopus drowning a hapless.... Of a capacity of 50 gallons or more while fishing could potentially be reducing populations there... Modeled after the appendage of a large octopus grabbing a passing shark of about (... 6 ) octopus ink doesn ’ t have a MDMA stokes euphoria in humans in by... Skin with barbs on their tentacle suction cups is the most Mysterious Creature in the Future sharp.... Party drug, also known as ecstasy, squid, cuttlefish, are a man 's friend!, 'stands ' tall, and they use many of are octopus friendly to humans things differentiates... To solve `` real world '' problems with a Giant Pacific octopus on her head always! Enough venom to kill 26 adult humans many of the head, so says the.! Your ad blocker in order to see our subscription offer constantly discovering new and impressive abilities... This animal is still poorly understood, but they are n't exactly for! Deployments for humans to intervene length only when a corpse is discovered inferior concept one reason relates to about!