The largest species, the giant Pacific octopus, measures an average of 18 feet long and has an arm span of 14 feet. They have a hydrostatic skeleton which allows them to keep body parts rigid. Giant Pacific Octopus. Size Range: 3-5 meters and averaging 50kg (110lbs) Identifying Features: Giant Pacific Octopuses as their name implies are found in the northern part of the Pacific Ocean. Using tag and recapture methods, scientists found they move from den to den in response to decreased food availability, change in water quality, increase in predation, or increased density (or decreased available habitat/den space)[28] Because their blue blood is copper-based (hemocyanin) and not an efficient oxygen carrier, octopuses favor and move toward cooler oxygen-rich water. This octopus species is very rarely encountered and the few information scientists have managed to gather […] Common name: Giant Pacific Octopus. Some research suggests that fishing other species have aided octopus populations, by taking out predators and competitors. The Giant Pacific Octopus is very intelligent, with the ability to use tools, solve puzzles and even open child-proof bottles. Joshua Rosenthal, at the University of Puerto Rico's Institute of Neurobiology has found that they have altered protein synthesis, and can speed up potassium channels in cold water, to keep up with sodium ion exchange. This is an octopus with a couple common names, including: the giant Pacific octopus, the Pacific octopus, and the North Pacific octopus. [25] The giant Pacific octopus has not been assessed by the Monterey Bay Aquarium Seafood Watch, although other octopus species are listed. The typical octopus has a saccular body, which means that their head is only slightly defined from their body. The Tomamae Giant Pacific Octopus FIP aims to revitalize the region’s fisheries by improving the sustainability of fishing practices through the establishment of a science-based management plan for the octopus fishery, which is managed by the Kita-Rumoi Fisheries Cooperative. The adult giant Pacific octopus weighs around 33 lbs. [27] Populations in Puget Sound are not considered threatened. [4][5] However, a number of questionable size records would suggest E. dofleini is the largest of all octopus species by a considerable margin,[6] including a report of one up to 272 kg (600 lb) in weight with a 9-m (30-ft) arm span. The ocean absorbs an estimated 30% of emitted anthropogenic CO2. Yes, it may seem like an odd way to mate but for the Giant Pacific Octopus, it works. Large and in Charge – These creatures can really live up to the name “giant” Pacific octopus. The smallest, Octopus arborescens, measures only 5 cm long. Scientific name: Enteroctopus dofleni. They have been known to play with toys, interact with a handler, open jars, use tools, and solve puzzles. [16] DNA techniques have assisted in genetic and phylogenetic analysis of the species' evolutionary past. It has lifespan of 4 to 5 years. A giant octopus (also known as the giant Pacific octopus or as it's scientific name, Enteroctopus dofleini) typically weighs about one hundred and fifty six pounds. The giant Pacific octopus is an important protein source for human consumption. Survival of egg masses is an important determinant of … [16] The octopus brain has folded lobes (a distinct characteristic of complexity), visual and tactile memory centers. All About Grimpoteuthis, the Dumbo Octopus, Cephalopod Class: Species, Habitats, and Diets, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College. She lays between 120,000 and 400,000 eggs. The giant Pacific octopus or ‘Enteroctopus Dofleini’ is the biggest known octopus species. Scientists have relied on catch numbers to estimate stock abundance, but the animals are solitary and difficult to find. Seals, sea otters, sharks, and large fish are the predominant predators of the giant Pacific octopus. The Giant Pacific octopus, Enteroctopus dofleini, is a contender for being the largest of all octopus species, but it turns out it is actually at least two distinct species. It was initially referred to by Louis Joubin, the French naturalist in honor of whom the Atlantic Pygmy Octopus got its scientific name Octopus Joubini. The Giant Pacific octopus, Enteroctopus dofleini, is a contender for being the largest of all octopus species, but it turns out it is actually at least two distinct species. Depending on water temperature, the eggs hatch in about six months. Its spatial distribution includes the coastal North Pacific, along California, Oregon, Washington, British Columbia, Alaska, Russia, Japan, and Korean Peninsula. [1] After hatching, the paralarvae swim up to the surface to join other plankton, where they are often preyed upon by birds, fish, and other plankton feeders. It can be found from the intertidal zone down to 2,000 m (6,600 ft), and is best adapted to cold, oxygen-rich water. There are many characteristics that make it unique. [1] Because they are cool-blooded, they are able to convert most of consumed energy into body mass, respiration, activity, and reproduction. During mating, the male octopus inserts a specialized arm called a hectocotylus into the female's mantle, depositing a spermatophore. The giant Pacific octopus, also known as the North Pacific giant octopus, is a large marine cephalopod belonging to the genus Enteroctopus. These cephalopods are actually mollusks. [31] Other studies concur that warming climate scenarios result in higher embryo and paralarvae mortalites.[32]. Fished from the white sands off the Canary Islands, the warmer waters here yield a naturally smaller and sweeter-tasting species than those found in Asian waters. The existence of a separate species has been suspected since at least 2012, when researchers found DNA evidence of a genetically distinct Enteroctopus in the waters of Prince William Sound in Alaska. It has also been observed to catch spiny dogfish (Squalus acanthias) up to 1.2 m (4 ft) in length while in captivity. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. Dr. Roland Anderson, an octopus specialist, found high concentrations of heavy metals and PCBs in tissues and digestive glands. Aspects of the Natural History of, Convention on International Trade in Endangered Species of Wild Fauna and Flora, Smithsonian National Zoological Park: Giant Pacific Octopus, "Sizing ocean giants: patterns of intraspecific size variation in marine mega fauna", Walla Walla University Marine Invertebrates Key: Giant Pacific Octopus, "B.C. The giant Pacific octopus is the biggest octopus species. [35] These crabs bury themselves in contaminated sediments and eat prey that live nearby. These intelligent creatures are unbelievably intelligent, and more than capable of problem solving. These eight-footed invertebrates have highly developed nervous systems which explain their capacity to solve puzzles, distinguish shapes and patterns, and even develop short- and long-term memory. [14], Scavengers and other organisms often attempt to eat octopus eggs, even when the female is present to protect them. Giant Pacific Octopus Scientific name: Enteroctopus dofleinii. After DNA analysis, the giant Pacific octopus may actually be three subspecies (one in Japan, another in Alaska, and a third in Puget Sound). It prefers cool, oxygenated water, adjusting its depth from the surface down to 2000 m (6600 ft) as required. Seals, sea otters, sharks, and large fish are the predominant predators of the giant Pacific octopus. Scientific name: Enteroctopus dofleini What do you call more than one octopus? [34] The prey base that octopuses prefer (crab, clams, scallops, mussels, etc.) This is a very large and interesting critter that captures and eats sharks! Previously, it was named Octopus … After mating, the male's physical condition deteriorates. Scientific name: Enteroctopus dofleni. In captivity they even learn to recognize the individual humans they interact with. [1] What effects these toxins have on octopuses are unknown, but other exposed animals have been known to show liver damage, changes in immune systems, and death. Potential changes in octopus populations will affect upper and lower trophic levels. Like other octopuses, the giant Pacific octopus has blue, copper-rich blood that helps it obtain oxygen in cold water. About 3.3 million tons of giant octopus are fished annually. The giant Pacific octopus is a very intelligent animal that can learn to open jars, play with toys and interact with — and even recognize — its handlers. Quicker hatching time may also affect critical timing with food availability. For an adult-age giant Pacific octopus, the average weight is 15 kg (33 lb) and the average arm span is 4.3 m (14 ft). This dependency limits octopus habitat, typically in temperate waters 8–12 °C (46–54 °F). This octopus is generally reddish-brown, but special pigment cells in its skin change texture and color to camouflage the animal against rocks, plants, and coral. This is the world’s largest species of octopus. He stops eating and spends more time in open water. As its common name suggests, this large cephalopod lives along coastlines of the North Pacific Ocean. Regardless of these data gaps in abundance estimates, future climate change scenarios may affect these organisms in different ways. Image from Wikimedia Commons. Its spatial distribution includes the coastal North Pacific, along California, Oregon, Washington, British Columbia, Alaska, Russia, Japan, and Korean Peninsula. Giant Pacific Octopus. The female can store the spermatophore for several months before fertilization. Welcome to the Den of the Giant Pacific Octopus! A pH change from 8.0 to 7.7 or 7.5 will have life-or-death effects on cephalopods.[16]. Parker found that the largest suckers on a giant Pacific octopus are about 6.4 cm (2.5 in) and can support 16 kg (35 lb) each. However, the giant Pacific octopus is known to live for up to five years. Enteroctopus dofleini is the scientific name that when translated to English means is “giant octopus.” I believe "dofleini" has originated from the name of a scientist, but I am unsure of its exact origin. After reproduction, they enter a stage called senescence, which involves obvious changes in behavior and appearance, including a reduced appetite, retraction of skin around the eyes giving them a more pronounced appearance, increased activity in uncoordinated patterns, and white lesions all over the body. It doesn't have a scientific name, and it hasn't been fully described yet, but the frilled giant Pacific octopus has been confirmed using genetics. Average lifespan 3 to 5 years: Size Up to 5 m: Distribution Northern Pacific: Did you know? The terrifyingly powerful Gorgon of Greek mythology has been thought to have been inspired by the octopus or squid, the octopus itself representing the severed head of Medusa, the beak as the protruding tongue and fangs, and its tentacle… It can lay between 120,000 and 400,000 eggs which are intensively cared for by the females. Pacific giant octopuses need den cavities in rocky substrata, with access to nearby foraging areas. The giant Pacific octopus, the largest octopus species, is usually reddish-pink with a delicate, veinlike pattern when you see it up close, fading to white on the underside of the arms. Interesting Facts About the Pacific Octopus. On average, the giant octopus can grow to over 100 lbs and there have been rare cases of individuals observed reaching 300-400 pounds. [16] The octopus is parasitized by Dicyemodeca anthinocephalum, which lives in their renal appendages. Although many believe the correct plural form of octopus is octopi, it’s actually octopuses. Like other octopuses, the giant Pacific octopus exhibits bilateral symmetry and has a bulbous head, eight sucker-covered arms, and a mantle. After mating, the female stops hunting. Location: Japan, Siberia, Alaska to Mexico. Details: Not only is this animal large and fierce, but it possesses better camouflage than most land animals, including most species of chameleon, which do not camouflage at all.Unlike the blue ringed octopus, this species does not contain venom nor does it utilize aposematism. The giant Pacific octopus (Enteroctopus dofleini, formerly also Octopus apollyon), also known as the North Pacific giant octopus, is a large marine cephalopod belonging to the genus Enteroctopus. While not endangered, the species is likely threatened by pollution and climate change. In captivity, they can distinguish between and recognize different keepers. The Giant Pacific Octopus is the largest of the species. Enteroctopus dofleini is the scientific name that when translated to English means is “giant octopus.” I believe "dofleini" has originated from the name of a scientist, but I am unsure of its exact origin. “Presumably, people have been catching these octopuses for years and no one ever noticed,” Scheel said in a … Other common names of Octopus dofleini are North Pacific giant octopus, Giant Pacific octopus, Giant octopus, Poulpe géant and Pulpo gigante. [2], E. dofleini is distinguished from other species by its large size. Giant Pacific octopus is an intelligent animal with a well-developed brain. Today we are taking a peek at the giant Pacific octopus. Octopus are in the mollusk phylum (snails, clams, chitons) and more specifically are members of the class Cephalopoda which includes squid, cuttlefish and nautilus. Version 2013.2", "Giant Pacific Octopus Rulemaking Process", "Impact of elevated CO2 on shellfish calcification", 20.500.11755/a8941c6a-6d0b-43d5-ba0d-157a7aa05668, https://en.wikipedia.org/w/index.php?title=Giant_Pacific_octopus&oldid=991848609, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License, This page was last edited on 2 December 2020, at 03:21. On average, the giant octopus can grow to over 100 lbs and there have been rare cases of individuals observed reaching 300-400 pounds. Despite its large size, the octopus can compress its body to fit through any opening larger than its beak. the rounder v,The Pacific octopus was The member of this genus that best embodies the common name "giant octopus" is Enteroctopus dofleini, which holds the record of being the world's largest octopus based on direct measurements of a 71 kilograms (157 pounds) individual, weighed live. Scientific Name: Enteroctopus dofleini. The Pacific octopus was recently re-classified. [16] To avoid these dead zones, octopuses must move to shallower waters which may be warmer in temperature and less oxygen-rich, trapping the organism between two low-oxygen zones. While the duration of this stage is variable, it typically lasts about one to two months. Females die soon after the eggs hatch. It is very large and somehow jumps, despite not being a powerful swimmer. [22] They have the ability to solve simple puzzles, open childproof bottles and use tools. Pacific giant octopuses need den cavities in rocky substrata, with access to nearby foraging areas. Common name: Giant Pacific Octopus. It is usually found in the Pacific Ocean. It can be found in the coastal Pacific Northwest and is arguably the largest octopus species, based on a scientific record of a 71 kg (156.5 lb) individual weighed live. Fandom Apps Take your favorite fandoms with you and never miss a beat. The female stops eating during this care and her life ends soon after the eggs hatch. Enteroctopus dofleini Phylogenetic Trees . The largest octopus in the world, giant pacific octopus have been recorded with an arm span up to 24 ft and a total weight of 160 lb! Learn more about the feats and features of these cephalopods below! ThoughtCo uses cookies to provide you with a great user experience. The only member of this genus that deserves the common name "Giant octopus" is Enteroctopus dofleini. Another difference between the GPO and the other octopus is that the Giant Pacific octopus has … [1] Over thousands of years, humans have caught them using lures, spears, pot traps, nets, and bare hands. The scientific name for the common octopus is Octopus vulgaris. The availability of appropriate den sites in rocky subtidal habitat may limit octopus distribution and abundance. He suggests that these high concentrations were obtained from their preferred prey, red rock crab (Cancer productus). woman nets fame for photos of octopus eating seagull", "Diet of Pacific sleeper shark, a potential Steller sea lion predator, in the north-east Pacific Ocean", "Giant Pacific Octopus (Octopus dofleini)", "Octopuses (Enteroctopus dofleini) Recognize Individual Humans", "IUCN Red List of Threatened Species. It doesn't have a scientific name, and it hasn't been fully described yet, but the frilled giant Pacific octopus has been confirmed using genetics. Bill Anderson visits the Adventure Aquarium in Camden to meet the newest giant pacific octopus who needs a name. The giant Pacific octopus (Enteroctopus dofleini), also known as the North Pacific giant octopus, is the largest and longest-lived octopus in the world. [16] They have been known to open tank valves, disassemble expensive equipment, and generally wreak havoc in labs and aquaria. It is the largest octopus species, based on a scientific record of a 71-kg (156-lb) individual weighed live. The warmer the water, the faster octopus eggs develop and hatch. Octopus rubescens (Commonly the East Pacific red octopus, also known as the ruby octopus, a preferred common name due to the abundance of octopus species colloquially known as red octopus) is the most commonly occurring shallow-water octopus on much of the North American West Coast, and a ubiquitous benthic predator in these habitats. Details: Not only is this animal large and fierce, but it possesses better camouflage than most land animals, including most species of chameleon, which do not camouflage at all.Unlike the blue ringed octopus, this species does not contain venom nor does it utilize aposematism. In the Pacific Ocean it is easily distinguishable by it’s large size and is only mistaken at young ages with the red octopus. The GPO has a new cousin which was found accidentally off the coast of Alaska, but it has not been given a scientific name yet. During this time, it leads a solitary existence, breeding only one time. [1] It can be found from the intertidal zone down to 2,000 m (6,600 ft), and is best adapted to cold, oxygen-rich water. (Octopus vulgaris): WILD CAUGHT. If changes are possible by the individual, octopuses may be able to adapt quickly to changing climate scenarios. In game, it is very oversized. [1] If sea water temperatures continue to rise, these organisms may be forced to move to deeper, cooler water. The giant Pacific octopus is touted as being the largest known octopus in the world. • Millions of unique designs by independent artists. Ocean acidification lowers available carbonate ions, which is a building block for calcium carbonate (CaCO3). The newly discovered creature was called a “frilled giant Pacific octopus,” though as noted by Quartz, there is no official scientific name for the species at the moment. An octopus mouth has a parrot-like beak, which it uses to crack open crabs and other hard-shelled animals. Scientific Name Enteroctopus dofleini Range North to Alaska, South to Mexico Conservation Status Not Listed Aquatic Invertebrate. In the Pacific Ocean it is easily distinguishable by it’s large size and is only mistaken at young ages with the red octopus. [7] Guinness World Records lists the biggest as 136 kg (300 lb) with an arm span of 9.8 m (32 ft). [30] Lower trophic levels include all prey items, and may fluctuate inversely with octopus abundance. It is also used as bait for Pacific halibut and other fish species. Scientific Name : Enteroctopus Dofleini. Although many eggs are laid and hatch, most hatchlings are eaten before they reach adulthood. A giant octopus (also known as the giant Pacific octopus or as it's scientific name, Enteroctopus dofleini) typically weighs about one hundred and fifty six pounds. By using ThoughtCo, you accept our. Starting from 0.03 g and growing to 20–40 kg (44–88 lb) at adulthood, which is an increase of around 0.9% of growth a day. Shifts in available prey may force a change upon octopus diets to other nonshelled organisms. [10][11] Food is procured with its suckers and then bitten using its tough beak of chitin. Source: bioweb.uwlax.edu The Southern Red Octopus or Patagonian Giant Octopus is another member of the Enteroctopus genus, which is often called the giant octopus group. Their arms span up to 4.3 m or 14 ft. The male Giant Pacific octopus takes a sperm packet containing his sperm and using one of his arms inserts it in the mantle of the female’s head. The giant Pacific octopus is a master of disguise. An octopus's garden The adult giant Pacific octopus eats a wide assortment of seafood including crabs, clams and other mussels. She continuously blows water over the eggs, and grooms them to remove algae and other growths. In laboratory tests and aquariums, it has been able to solve mazes very quickly and can unscrew jar lids to retrieve food inside. Image credit: David Scheel, doi: 10.4003/006.035.0206. D&D Beyond [16] Some researchers even claim that they are capable of motor play[23] and having personalities.[24]. The frilled giant Pacific octopus. THE END THE OCTOPUS BY: LISA MARIA KNAPP DIAGRAM OF AN OCTOPUS HERE YOU HAVE A FIGURE OF AN OCTOPUS AND SHOWS ITS BODY PARTS SCIENTIFIC NAME OF NORTH PACIFIC GIANT OCTOPUS Enteroctopus dofleini HOW DOES THE NORTH PACIFIC GIANT OCTOPUS FEED? This octopus species is very rarely encountered and the few information scientists have managed to gather […] The giant Pacific octopus has not been evaluated for the IUCN Red List, nor is it protected by the Convention on International Trade in Endangered Species of Wild Fauna and Flora. The octopus is the most intelligent invertebrate. The Giant octopus is Enteroctopus, and one of its species is the largest octopus.There are four species: the North Pacific Giant Octopus (E. dofleini), the Southern Giant Octopus (Enteroctopus magnificus), E. megalocyathus, and E. zealandicus.. Overview. Survival of egg masses is an important determinant of … Yet, the species can adapt to live in deep water, so it may be possible for the giant Pacific octopus to find a new habitat. The giant Pacific octopus (Enteroctopus dofleini, formerly also Octopus apollyon), also known as the North Pacific giant octopus, is a large marine cephalopod belonging to the genus Enteroctopus.Its spatial distribution includes the coastal North Pacific, along California, Oregon, Washington, British Columbia, Alaska, Russia, Japan, and Korean Peninsula. For an animal that is so intelligent and complex, they have shockingly short lifespans. Usually, the octopus flees warm water and dead zones in favor of cooler, oxygenated water, but some populations may be trapped between low-oxygen zones. [1] The alternative contender for the largest species of octopus is the seven-arm octopus (Haliphron atlanticus) based on a 61-kg (134-lb) incomplete carcass estimated to have a live mass of 75 kg (165 lb). [9], E. dofleini preys upon shrimp, crabs, scallop, abalone, cockles, snails, clams, lobsters, fish, and other octopuses. The adult giant Pacific octopus weighs around 33 lbs. The Giant Pacific octopus, Enteroctopus dofleini, is a contender for being the largest of all octopus species, but it turns out it is actually at least two distinct species. These responses include jetting water, changing body texture, and other behaviors that are consistently demonstrated to specific individuals. Giant Pacific Octopus Scientific Name: Enteroctopus dofleini Class: Cephalapoda Order: Octopoda Family: Octopodidae This is the largest known species of octopus. Giant Pacific octopuses are not currently under the protection of Convention on International Trade in Endangered Species of Wild Fauna and Flora or evaluated in the IUCN Red List. The Giant Pacific octopus, Enteroctopus dofleini, is a contender for being the largest of all octopus species, but it turns out it is actually at least two distinct species. It was initially referred to by Louis Joubin, the French naturalist in honor of whom the Atlantic Pygmy Octopus got its scientific name Octopus Joubini. Types. The average lifespan is only 1-2 years while the giant Pacific octopus (Enteroctopus dofleini) has both the largest size and longest lifespan, weighing in at an average of … Adults usually weigh around 15 kg (33 lb), with an arm span up to 4.3 m (14 ft). In laboratory tests and aquariums, it has been able to solve mazes very quickly and can unscrew jar lids to retrieve food inside. [17], The giant Pacific octopus is considered to be long-lived compared to other species, with lifespans typically 3–5 years in the wild. He is now looking into whether individuals can alter their protein synthesis in response to changing temperatures, or if it is done over long-term adaptations. D&D Beyond The giant Pacific octopus appears to feed on any animal within its size range, including fish, crabs, clams, small sharks, other octopuses, and even seabirds. Normal levels are measured at 7–9 ppm. 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[ 24 ] it.... Reduce oxygen-carrying capacity before death: size up to five years well-developed brain inside their head 2! To recognize the individual humans they interact with a great user experience female 's mantle, depositing spermatophore! Determinant of … Characteristics is also used as bait for Pacific halibut and other growths it may seem an..., doi: 10.4003/006.035.0206, typically in temperate waters 8–12 °C ( 46–54 °F ) create a zone... Dependency limits octopus habitat, typically in temperate waters 8–12 °C ( 46–54 °F ) tentacles and,! Inside their head is only slightly defined from their preferred prey, red rock crab ( productus... Force a change upon octopus diets to other nonshelled organisms more about the size is. [ 16 ] on a scientific record of a 71-kg ( 156-lb ) individual live. And designs like other octopuses, phytoplankton and macroalgae die and create a dead zone to hold onto the for! 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