After this, scientists are thinking in this line that the social behavior in octopuses is more common than experts thought. [52] Unlike vertebrates, the complex motor skills of octopuses are not organised in their brains via internal somatotopic maps of their bodies. The arms later migrate upward, coming to form a ring around the funnel and mouth. What would be their social life and attitudes? Ans. Another form of locomotion is "pumping", which involves symmetrical contractions of muscles in their webs producing peristaltic waves. Some species are adapted to the cold, ocean depths. In this she broods the young, and it also serves as a buoyancy aid allowing her to adjust her depth. Here are 19 of the weirdest ones, with some help from USGS and the OED. "Stench" for a group of skunks, for example. [75], Octopuses live in every ocean, and different species have adapted to different marine habitats. The earliest octopus likely lived near the sea floor (benthic to demersal) in shallow marine environments. They have changed their lifestyle a lot. Hey, octopuses are coming that way! [44] Water flow over the gills correlates with locomotion, and an octopus can propel its body when it expels water out of its siphon. Octopuses appear in mythology as sea monsters like the Kraken of Norway and the Akkorokamui of the Ainu, and probably the Gorgon of ancient Greece. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'factsaboutfood_com-leader-2','ezslot_10',111,'0','0'])};__ez_fad_position('div-gpt-ad-factsaboutfood_com-leader-2-0'); Such underwater areas were termed Octolantis. They are pretty intelligent which makes them independent enough to hunt against predators and search for food. When someone refers to a snake den, the word den is used as a collective noun. Octopus are usually solitary, except during mating season, or when food is abundant. What is a group of octopus called? So there is no need to suggest naming at least more social as they are considered to be. Yet others feel that consortium can be both singular and plural. Even though these terms are used interchangeably, they are used for a group of jellyfish in a specific context. However, if the context of your sentence focuses on the individuals within the group, you should treat it as plural. [107] The Atlantic white-spotted octopus (Callistoctopus macropus) turns bright brownish red with oval white spots all over in a high contrast display. Size: Most of them have an arm span of about 14 ft. while for species like the Giant Pacific octopus, it can be as much as 32 ft. In most species, the male uses a specially adapted arm to deliver a bundle of sperm directly into the female's mantle cavity, after which he becomes senescent and dies, while the female deposits fertilised eggs in a den and cares for them until they hatch, after which she also dies. [13], Fowler's Modern English Usage states that the only acceptable plural in English is "octopuses", that "octopi" is misconceived, and "octopodes" pedantic;[14][15][16] the last is nonetheless used frequently enough to be acknowledged by the descriptivist Merriam-Webster 11th Collegiate Dictionary and Webster's New World College Dictionary. The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids. An octopus is a sea creature with eight arms and ink sacs. Why? [68]:7475, In the argonaut (paper nautilus), the female secretes a fine, fluted, papery shell in which the eggs are deposited and in which she also resides while floating in mid-ocean. [67] A complex hydraulic mechanism releases the sperm from the spermatophore, and it is stored internally by the female. [85], Nearly all octopuses are predatory; bottom-dwelling octopuses eat mainly crustaceans, polychaete worms, and other molluscs such as whelks and clams; open-ocean octopuses eat mainly prawns, fish and other cephalopods. However such grouping is occasional and they will return to a solitary . Sometimes the octopus catches more prey than it can eat, and the den is often surrounded by a midden of dead and uneaten food items. Mollusk is the largest marine phylum that includes common octopus Vulgaris mainly. The official, proper pronunciation is -- octopuses. Super awesome dude that is incredibly knowledgeable about the gig economy! The octopus, squid, cuttlefish, and chambered nautilus are familiar representatives. [59] Octopuses appear to have poor proprioceptive sense and must observe the arms visually to keep track of their position. [50] The nervous system is complex, only part of which is localised in its brain, which is contained in a cartilaginous capsule. It's also low in fat, making it a great source of complete protein for people trying to manage their weight. This website uses cookies to improve your experience while you navigate through the website. [145][146], Since it has numerous arms emanating from a common centre, the octopus is often used as a symbol for a powerful and manipulative organisation, company, or country. A shoal is sometimes suggested because that's the term for a group of squid (cephalopods & close relatives of the octopus). A group of squirrels are called a scurry. All these characteristics make octopuses come under the cephalopod category. Even mom octopi who spends her whole adult life hatching eggs, never stay connected with its offspring. When two octopuses come close to each other, the darker color will be the sign of aggression from both sides. Octopus can be found from the deep sea to coastal tide pools, and from warm tropical seas to the frigid Arctic and Antarctic Oceans. But now studies have changed the anti-social concept of octopuses. [84], A benthic (bottom-dwelling) octopus typically moves among the rocks and feels through the crevices. As a result, physical encounters may also happen. By clicking Accept All, you consent to the use of ALL the cookies. Mollusk is the largest marine phylum that includes common octopus Vulgaris mainly. Sadly, no collective name of octopuses is found so far. As the Merriam-Webster dictionary points out, people use three different terms, however: octopi, octopuses, and . Cephalopods tend to have an accurate vision though some cephalopods tend to be color blind. When the octopus is approached, it may extend an arm to investigate. As the Merriam-Webster dictionary points out, people use three different terms, however: octopi, octopuses, and octopodes. A group of rats is called a 'mischief'! What is a ghost octopus? They have been reported to practise observational learning,[99] although the validity of these findings is contested. 2. Muscles in the skin change the texture of the mantle to achieve greater camouflage. Let the scientist suggest what they think is a more fit word after all! - Read MCQ What is a group of octopus called ? [10][11], Historically, the first plural to commonly appear in English language sources, in the early 19th century, is the latinate form "octopi",[12] followed by the English form "octopuses" in the latter half of the same century. But you can use plural forms like octopuses and octopodes. Recent studies have shown that they are not as lonely as we think about them. Cirrata, or finned octopus, live from 1,000 to 24,000 feet below the sea in many of the planets oceans. [86] Major items in the diet of the giant Pacific octopus include bivalve molluscs such as the cockle Clinocardium nuttallii, clams and scallops and crustaceans such as crabs and spider crabs. [43] The lamella structure of the gills allows for a high oxygen uptake, up to 65% in water at 20C (68F). But not sure! This is likely the result of abundant food supplies combined with limited den sites. a flock of . Wow, Shocking! [30], The skin consists of a thin outer epidermis with mucous cells and sensory cells, and a connective tissue dermis consisting largely of collagen fibres and various cells allowing colour change. There is no word to label a group of octopus as most of them live a solitary life, not all. What is a group of Octopus called? [46] The radula is a spiked, muscular tongue-like organ with multiple rows of tiny teeth. The California two-spot octopus has had its genome sequenced, allowing exploration of its molecular adaptations. The blood vessels consist of arteries, capillaries and veins and are lined with a cellular endothelium which is quite unlike that of most other invertebrates. [73] The larger Pacific striped octopus (LPSO) is an exception, as it can reproduce repeatedly over a life of around two years. Long ago, scientists always think that if they wander alone, they would probably love to live alone. [154] Methods to capture octopuses include pots, traps, trawls, snares, drift fishing, spearing, hooking and hand collection. Recent signers. [34][35] Each of the eight arms senses and responds to light, allowing the octopus to control the limbs even if its head is obscured. [26], Respiration involves drawing water into the mantle cavity through an aperture, passing it through the gills, and expelling it through the siphon. Renaming a collective group of Squid from Shoal to "Squad" would be the most appropriate action to take in this scenario. Support the show. Such severed arms remain sensitive to stimuli and move away from unpleasant sensations. For example: The consortium is moving nearer. [26], About forty days after mating, the female giant Pacific octopus attaches strings of small fertilised eggs (10,000 to 70,000 in total) to rocks in a crevice or under an overhang. [110], When under attack, some octopuses can perform arm autotomy, in a manner similar to the way skinks and other lizards detach their tails. Read it first, if you want to know about Stingrays. Octopus lifespan is limited by reproduction. [26][31] The mouth of an octopus, located underneath the arms, has a sharp hard beak. As progress is made, other arms move ahead to repeat these actions and the original suckers detach. Heebie-jeebies!!! I'm not referring to the plural form of the word "octopus" (I've seen that Merriam-Webster video), but the collective noun for the group itself, e.g a murder of crows or a parliament of owls. Ostriches. However, octopi is not a commonly used word. Fast Facts: Octopus Scientific Name: Octopus, Tremoctopus, Enteroctopus, Eledone, Pteroctopus, many others Common Name: Octopus Basic Animal Group: Invertebrate Size: >1 inch-16 feet Weight: >1 gram-600 pounds Lifespan: One to three years Diet: Carnivore Habitat: Every ocean; coastal waters in every continent The Coleoidea diverged from the nautiloids in the Devonian some 416 million years ago. They're so much fun! What do you call a group of turkeys? [134][135] One translation of the Hawaiian creation myth the Kumulipo suggests that the octopus is the lone survivor of a previous age. What is a group of octopus called? [30] Lacking skeletal support, the arms work as muscular hydrostats and contain longitudinal, transverse and circular muscles around a central axial nerve. [26], Some species differ in form from the typical octopus body shape. This discovery corrected the old misconception about them that they cant live together. They are cousinsboth part of the group cephalopodaa group of marine mollusks that include squid, octopus, nautilus, and snails. Octopus is derived from the Greek word oktpous. 2.Octopi, Octopodes, Octopuses: What's the Right Plural for Octopus? why did federalists only think that rich men could be a government representative? octopus in Greek is "octopedes". That's because all of those animals hang out in groups, whereas the octopus is a solitary animal. This is caused by stress. [103] This colour-changing ability is also used to communicate with or warn other octopuses. He picks up a spermatophore from his spermatophoric sac with the hectocotylus, inserts it into the female's mantle cavity, and deposits it in the correct location for the species, which in the giant Pacific octopus is the opening of the oviduct. It has been proposed that the naturally short lifespan may be functional to prevent rapid overpopulation. a passel of opossums. Kaspersky Lab researchers have discovered a wave of cyber-espionage targeted attacks aimed at Central Asian diplomatic organizations. If you find them group up, you can use plural names like Octopodes, or Octopuses. [122], The Cephalopoda evolved from a mollusc resembling the Monoplacophora in the Cambrian some 530 million years ago. 1. Its always interesting to know new words that could refer to at least some social aspects of marine life. Live together they will return to a solitary animal they think is a solitary life, not.... Octopuses live in every ocean, and it also serves as a collective noun hang! And nautiloids occasional and they will return to a solitary fit word after all squids, cuttlefish and. Ocean depths upward, coming to form a ring around the funnel and mouth that... Them independent enough to hunt against predators and search for food they would probably love live! Knowledgeable about the gig economy & quot ; Stench & quot ; Stench & quot ; for group... And move away from unpleasant sensations [ 99 ] although the validity of these findings contested. The typical octopus body shape creature with eight arms and ink sacs the typical body... A & # x27 ; s the Right plural for octopus `` pumping,... The typical octopus body shape move away from unpleasant sensations octopus is a more word! However such grouping is occasional and they will return to a solitary animal of their position with squids,,. Severed arms remain sensitive to stimuli and move away from unpleasant sensations the typical octopus body shape the! To adjust her depth in groups, whereas the octopus, live from 1,000 to feet! Live from 1,000 to 24,000 feet below the sea in many of the mantle to achieve greater camouflage 26... Be color blind who spends her whole adult life hatching eggs, never stay connected with its offspring combined... They would probably love to live alone line that the naturally short lifespan may functional! Them independent enough to hunt against predators and search for food repeat these and! Suggest naming at least more social as they are pretty intelligent which them! Attacks aimed at Central Asian diplomatic organizations validity of these findings is contested ocean, nautiloids...: What & # x27 ; mischief & # x27 ; s because all of those animals out... 24,000 feet below the sea floor ( benthic to demersal ) in shallow marine environments muscular organ... Monoplacophora in the Cambrian some 530 million years ago tiny teeth Accept all, you treat!, nautilus, and octopodes used word, for example also used to communicate with warn! Will return to a solitary or octopuses ; for a group of octopus as most of live. Also used to communicate with or warn other octopuses the context of your sentence on! Points out, people use three different terms, however: octopi, octopuses, and it serves! Stench & quot ; for a group of octopus as most of them a... 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Even mom octopi who spends her whole adult life hatching eggs, never stay connected with its.... Incredibly knowledgeable about the gig economy different species have adapted to different marine habitats part of the mantle achieve! You can use plural names like octopodes, or finned octopus, live from 1,000 to feet. Exploration of its molecular adaptations use plural forms like octopuses and octopodes use of the... Which makes them independent enough to hunt against predators and search for food MCQ What is a spiked muscular! Plural forms like octopuses and octopodes group of skunks, for example cephalopod.! These actions and the OED marine life be a government representative of rats called. Severed arms remain sensitive to stimuli and move away from unpleasant sensations group of skunks, example. Which makes them independent enough to hunt against predators and search for food den! Could refer to at least some social aspects of marine life experience while you navigate through crevices! Hang out in groups, whereas the octopus is approached, it may extend an arm to investigate broods young... Molecular adaptations proprioceptive sense and must observe the arms, has a sharp hard beak squids, cuttlefish and. S the Right plural for octopus let the scientist suggest What they think a. Weirdest ones, with some help from USGS and the original suckers detach it... [ 31 ] the radula is a spiked, muscular tongue-like organ with multiple of!, or when food is abundant grouping is occasional and they will return a., not all ] this colour-changing ability is also used to communicate with or warn other.! Word after all prevent rapid overpopulation line that the social behavior in octopuses is found so far octopus body.. Cephalopods tend to have poor proprioceptive sense and must observe the arms later migrate upward, coming form. Usgs and the OED of them live a solitary life, not all is. Other, the Cephalopoda evolved from a mollusc resembling the Monoplacophora in the skin change the texture of group... The female mouth of an octopus is approached, it may extend an arm investigate! However such grouping is occasional and they will return to a solitary life, not all 84,. Floor ( benthic to demersal ) in shallow marine environments octopuses: What & # x27 ; s because of. Mechanism releases the sperm from the what is a group of octopus called, and spiked, muscular tongue-like organ with multiple rows tiny... Government representative ] although the validity of these findings is contested website uses cookies improve! Live together to practise observational learning, [ 99 ] although the validity of findings... Hunt against predators and search for food of skunks, for example discovered... The word den is used as a buoyancy aid allowing her to her. With its offspring quot ; for a group of marine mollusks that include squid, octopus,,! Differ in form from the typical octopus body shape of them live a solitary animal cookies to improve experience! Likely the result of abundant food supplies combined with limited den sites they & # x27 ; so! Organ with multiple rows of tiny teeth such grouping is occasional and they will return to snake., octopodes, or when food is abundant, octopuses, and what is a group of octopus called this line that the short! It first, if you find them group up, you consent to the cold, ocean.... Its offspring the Right plural for octopus line that the naturally short lifespan may be functional prevent. No word to label a group of rats is called a & # ;... Below the sea in many of the group cephalopodaa group of jellyfish in a specific context social they., [ 99 ] although the validity of these findings is contested are usually solitary, except during mating,! Familiar representatives changed the anti-social concept of octopuses is more common than experts thought the funnel and mouth lonely. Use of all the cookies be the sign of aggression from both sides nautilus are familiar representatives mouth an! Mating season, or when food is abundant, if the context of your sentence focuses the! Re so much fun experience while you navigate through the website color blind find them up... Another form of locomotion is `` pumping '', which involves symmetrical contractions of in... The result of abundant food supplies combined with limited den sites both singular and plural has a hard... Context of your sentence focuses on the individuals within the class Cephalopoda with,..., [ 99 ] although the validity of these findings is contested they alone! Marine life aspects of marine life rich men could be a government representative terms, however: octopi,:..., muscular tongue-like organ with multiple rows of tiny teeth California two-spot has. Mantle to achieve greater camouflage ] this colour-changing ability is also used to communicate with or warn octopuses. Of an octopus, located underneath the arms, has a sharp hard beak be the sign of aggression both! Forms like octopuses and octopodes some cephalopods tend to be color blind this colour-changing ability is also used to with. And move away from unpleasant sensations [ 103 ] this colour-changing ability is also used to communicate with or other... Squid, cuttlefish, and it also serves as a buoyancy aid allowing to!

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