The Giant Pacific octopus facts for kids is an amazing collection of some of the most interesting facts about Giant Pacific octopus. Your email address will not be published. All rights reserved. Did you know that giant Pacific octopuses get "attached" to their aquarists—in a good way? Size: The average length of an adult is about 15-16 feet across, which might as well be larger. The Giant Pacific Octopus: Enteroctopus dofleini. Even so, itâs unclear whether all the fascination is hurting octopuses. Blue ringsâ lethality, coupled with their dazzling eponymous markings, exert a powerful allure on some aquarium aficionadosââdaredevils,â Slemp calls them. The largest specimen of this species to be scientifically documented was an animal with a live mass of 71 kg (156.5 lb). Demand in the U.S. seems to have begun growing in the few years for which official import data have been released, although the numbers were small. The lifespan of giant Pacific octopuses is characterized by a fast growth period that continues throughout its entire life of 4 to 5 years. Giant pacific octopus (Enteroctopus Dofleini) is a long-lived and large cephalopod. Giant Pacific octopuses only live an average four to five years in the wild, yet they are still considered one of the longest-living octopus species. For octopuses, mating is a pretty subdued affair. Other vendors still offer them, even online. When found, the pair will swim deeper into the water, within 40 and 170 feet, to search for a den where they can copulate. The adult giant Pacific octopus weighs around 33 lbs. The male members in this species die within a few months of mating, while the females die shortly after the eggs hatch. They typically live a solitary life, unless it is the time for reproduction, and are primarily nocturnal creatures, moving around at night to hunt for food. The reclusive, delicate mimic octopus doesnât do well. Average Lifespan: … 2020 National Geographic Partners, LLC. Aquarium hobbyists can be allies in this cause, she argues, contributing to public and scientific understanding of these previously overlooked animals: "When people keep octopuses at home, they really get an attachment to them, and share that appreciation.". Let’s just get it out there right off the bat—this species holds the record for the largest … Found in a small region of the Pacific Ocean, these creatures produce thousands of eggs, making their populations naturally resilient, though their exact numbers are not known. The male dies not long after mating while the female is such a devoted mother that she does not leave her young to get food and usually dies … But Ross acknowledges that it hasnât been easy to rally the industry; two previous efforts failed. After hatching, the baby octopus(or larvae) take on the role of plankton, drifting around the ocean feeding on neuston (dead food) as opposed to hunting live prey. Once the octopus reaches adulthood, it will eventually get the urge to mate. This species of octopus is the largest of 300+ known octopus species. Most common octopus species donât live longer than two years. It can lay between 120,000 and 400,000 eggs which are intensively cared for by the females. Such traits make octopuses stars of the page and screen. This may be in part because some aquarium shops have stopped what Rich Ross, a former senior biologist at San Francisco's Steinhart Aquarium calls âsupermarket-styleâ stocking of exotic pets. 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. Scientists have … But much remains unknown about them, especially about mimics, including how many inhabit the shallow seabeds off Sulawesi, Indonesia, and other Indo-Pacific islands where theyâre found. Endangered Species Act (ESA). Average Length: 3.3 ft – 6 ft 7 in. With an average lifespan of 3 years, the giant pacific octopus is the longest living octopus on the planet. Its aggressiveness and predatory behavior as envisioned by authors like Jules Verne is the stuff of legend, but the giant squid does exist. And at aquariums around the world, octopuses are reliable crowd pleasers. In addition to their high prices and expensive dietsâheavy on live crabs and shrimpâ octopuses need large, escape-proof tanks with ample hiding places, unassailable fixtures to withstand their powerful arms and inquisitive tampering, and no fish or other companions (they'll eat them). An adult of these cephalopods has enough strength to move more than 700 pounds. The ink of this animal is poisonous. In some countries, they are valued as seafood, being especially popular in Asian and Mediterranean cuisines. How many hearts does an octopus have? (The mimic is also reclusive and nocturnal and unlikely to display its famous shape-shifting in a tank. The giant Pacific octopus is a cephalopod species native to the northern Pacific Ocean. Eyes: Eyes are circular with the retractable skin around them to protect. We'd like to introduce you to Hank, he's a Giant Pacific Octopus and the star of our brand new attraction, Octopus Hideout. The giant Pacific octopus, is one of two largest species of octopus, may live for as much as five years however all animals live longer in their own environments. The giant Pacific octopus starts life as tiny as a grain of rice, living in the surface water of the oceans for the first three months of their life. However, they are also caught for public aquariums and as bait in other fisheries. She felt "something soft and squishy" inside one rock oyster shell. Every year, up to 3,500 tons of these octopuses are caught in North America, where fishing and consuming octopus is not a taboo. Another celebrated octopus presents a different concern. He thinks keeping blue rings is âa really bad ideaâ and refuses to sell them. The short life span and reclusive tendencies of this species have proved a challenge for researchers. Although there is no directed fishery for octopus in Alaska, octopus, in particular, the giant Pacific octopus, are caught incidentally in Alaskan commercial trawl, longline and pot fisheries. The average Giant Pacific Octopus measures 8 to 16 feet in length and weighs 80 to 160 pounds. (Ross is now with the Albright Laboratory, a coral-reef research and restoration facility affiliated with the aquarium.) Common octopuses, for example, may live only two years, while giant octopuses can live as long as three years but up to five years as long as they don't mate. One of them, the giant Pacific octopus, is the largest in the world. One, Peteâs Aquariums in Fishkill, New York, lists blue rings at $199.99 but notes that theyâre sold out. Each of these strands holds about 200-250 eggs. "We are in a data vacuum," says Andrew Rhyne, a biologist at Roger Williams University, in Bristol, Rhode Island. Like most other octopus species, they would squirt out black ink from their sack when attacked, and then jet away quickly. The result was a suggestive snapshot of the marine wildlife trade into the U.S., but even this small trove of dataâall that we have on octopus importsâis outdated and imperfect. Creating Pacific Octopuses For Enteroctopus dofleini, reproduction is the ultimate purpose in life. The growing public fascination with octopuses doesnât seem to have translated into surging salesâso far, anyway. But it doesnât compile import counts for octopuses and other unlisted species or readily release information from the invoices. Your email address will not be published. "I assumed it was a small sea cucumber and dismissed the comment," he writes on the Cephalopod Page. The female Giant Pacific Octopus is an example of genuine parental care, guarding the eggs for almost seven months until they hatch. As of 2013, the largest one on record was 43 feet long. Giant Pacific Octopus Habitat The Giant Pacific octopus hunts for food at night and has a lifespan of four years. But, Ross adds, some conspicuous aquarium keepers accept the high costs and turnover as the price of displaying such charismatic creatures: âThey think of these animals as cut flowers.". Internal Morphology: Like other octopuses, these are cool-blooded creatures, with three hearts that control their intricate circulatory and nervous systems, and nine brains to control different movements; the color of the blood is blue. Vendors and importers sometimes conflate the two species, but that doesnât stop them from offering both to collectors willing to pay $200 or more for one. Slemp isn't opposed on principle to keeping these big-brained, unusually smart mollusks as pets, but he wonât sell octopuses to just anyone. Lifespan The giant Pacific octopus has a long lifespan for an octopus — about three to five years. Habitat: Where do the North Pacific Giant Octopus Live, Feeding Habits: What do the Giant Pacific Octopuses Eat, https://en.wikipedia.org/wiki/Enteroctopus_dofleini, https://www.arkive.org/north-pacific-giant-octopus/enteroctopus-dofleini/, https://wwwtest.tnaqua.org/our-animals/invertebrates/giant-pacific-octopus, https://www.georgiaaquarium.org/animal-guide/georgia-aquarium/home/galleries/cold-water-quest/gallery-animals/giant-pacific-octopus, http://aquarium.org/exhibits/giant-pacific-octopus/. âI get asked all the time, âCan you get octopuses?ââ says Jeff Slemp, proprietor of a store called Cuttlefish and Corals Sustainable Saltwater Aquariums, in Portland, Oregon. Incredible Adaptations. So now youâve got something thatâs potentially deadly, thatâs pretty, that children are attracted to, on the loose.â. The female stops eating during this care and her life ends soon after the eggs hatch. They have relatively short lifespans with some only living for 6 months the giant Pacific octopus can live for approximately 5 years. Many other octopuses go through a lifespan in one year, from egg to end of life. Custom ordering also enables responsible vendors to evaluate purchasers and advise them about best practices. Giant pacific octopus has fat and round-shaped head. In Seattle, the artists, writers, musicians, and scientists of the Cephalopod Appreciation Society gather each summer to celebrate octopuses and their squid and cuttlefish cousins in image, word, and song. Populations of giant Pacific octopus are thought to be stable in the north Pacific and increased popularity in the human food market has increased their value as by … During mating, he inserts the rope of sperm, called a spermatophore, into the female’s oviduct. Octopus are mollusks, which means they are from the same phylum (or family) as slugs, snails, cuttlefish and … Larvae hatch from a cluster of eggs and are on average 9.5 to 10.1 mm in length. After birth, the baby octopuses would measure about a quarter of an inch, weighing around 22 milligrams. Before a courtship can begin between two octopuses, they first need to find each other. Those that manage to survive and attain about 5 grams of body weight begin to settle at the bottom of the ocean. One import of a mimic was recorded in 2008, two in 2009, and 30 in 2011, the last year available. The female would die soon after the hatchlings come out of the eggs. Their saliva contains the potent nerve toxin tetrodotoxin, the same compound that makes California newts, harlequin frogs, and fugu pufferfish liver so deadly. It would be something along the lines of various angler's groups and the Association of Zoos and Aquariums, which represents public institutions. Wood and other experts fear that too much enthusiasm may endanger two of the most dazzling and mediagenic, but little studied and potentially rare, species: the striped or wunderpus octopus (discovered in the 1980s) and its cousin, the mimic octopus (identified only in 1998). Octopuses typically die shortly following breeding. The storeâs receptionist hung up abruptly when I identified myself and asked about their blue rings. Caldwell recounts a close escape. Imports of blue rings to the U.S. grew steadily during a recent period, outpacing all other octopus species: 11 were documented in 2004, 348 in 2008, 494 in 2009, and 1,148 in 2011. "If anything,â says the sales manager at one aquarium-animal import company who requested anonymity because he was speaking without authorization, âIâve seen a downturn over the years.". During this period, the female octopus would live inside her cave without taking any food, using its arms to fan the eggs, and gushing streams of water rich in nutrients and oxygen. âSometimes they hitchhike along on [chunks of coral reef], and you donât even know you have one,â Wood says. When it comes to mating, a single female will move out in search of a male that should be typically larger than it. Arms: Four pairs of arms extend from its mantle, with each pair having about 280 suckers or suction cups, which in turn are further made of many thousand chemical receptors that give them the power of sharp smell and taste. âThis is not an animal to be taken on lightly.â The fact that octopuses seem very intelligent deters some people, who have qualms about treating them badly, from buying them. The length of time that passes between hatching, reproduction and death varies among octopus species. Some would eat their own arms,â he says. Lifespan The average longevity of the Giant Pacific Octopus is 4.5 to 5 years in both captivity and the wild. âOctopuses are very charismatic,â says James Wood, a marine biologist turned aquarium operator based near Palm Beach, Florida. An octopus's garden The adult giant Pacific octopus eats a wide assortment of seafood including crabs, clams and other mussels. To determine whether and how imports of octopuses and other aquarium species are affecting wild populations, it would help greatly to know just how many are being imported. © 1996-2015 National Geographic Society, © 2015- This stage on an average lasts for 30-90 days. The vision is exceptionally sharp. âIf there is one thing that we know about mimics,â Shaw writes, âit is that they are rare.â He notes that their Indonesian coastal habitat is being wiped out by runoff and mining and that they do poorly in captivity, which means many mimics likely die so one can survive a few months in a tank. A few species have fla… This may reflect a lack of informationâfor example, in the case of the mimic octopus. Image from Wikimedia Commons. The female would hang the eggs in many strands from the roof of a cave deep down in the ocean. Thatâs partly because records of imports of cephalopods to the United States are spotty and out of date. After mating, a female will lay up to 74,000 eggs or more in a deep den or cave and live there for seven months watching over them. Any downturn also reflects the efforts of Wood and other experts to educate hobbyists and vendors about the costs and hazards of keeping these demanding super-mollusks. Little is known about the behavior of these enigmatic creatures. âIâve seen them in pet shops and home aquaria where owners didnât know what it was,â Slemp says. Though almost all members of the octopus family can change color, this amazing creature is said to be the master of disguise in self-defense. The giant Pacific octopus is the longest-lived octopus species, usually living 3 to 5 years in the wild. Reproduction. He had recruited his teenage daughter to help him scour reef samples for the mantis shrimp he was studying off Australia's Lizard Island. Their arms span up to 4.3 m or 14 ft. Giant Pacific Octopus are semelparous, meaning they reproduce once then die. The gestation period of the female is one month. Adults usually weigh around 15 kg (33 lb), with an arm span of up to 4.3 m (14 ft). Both the sexes can breed year round. Weight: Generally, 110 to 150 pounds for a matured individual. Be it in the wild or in a marine life aquarium, you will be more likely to see a Giant Pacific octopus in the 14 to 16-foot range than one measuring longer than that. The striped, or wunderpus, octopus was discovered in the 1980s. The Giant Octopuses dwell in the cold temperate coastal waters up to a depth of 330 feet or more in the kelp forests, rocky areas, and caves. It would lay the eggs in a safe den, with a single egg being the size of a rice grain, while the total count can range from anything between 18,000 and 74,000 (with an average of 50,000). "The U.S. and other countries do not have any system in place to monitor the trade and provide data" for wildlife, such as octopuses, not listed under CITES. https://www.nationalgeographic.com/animals/2019/10/pet-octopuses-are-a-problem.html, Cuttlefish and Corals Sustainable Saltwater Aquariums, âMimic Octopuses: Will We Love Them to Death?â, declares People for the Ethical Treatment of Animals, See what happened at the most recent CITES conference, Marine Aquarium and Biodiversity Trade Flow.
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