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giant pacific octopus lifespan

They have relatively short lifespans with some only living for 6 months the giant Pacific octopus can live for approximately 5 years. But trade volumes and trends are largely matters of anecdote and speculation. As with most creatures, the octopus's main purpose in life is to reproduce. 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. An octopus's garden The adult giant Pacific octopus eats a wide assortment of seafood including crabs, clams and other mussels. Octopuses typically die shortly following breeding. The largest specimen of this species to be scientifically documented was an animal with a live mass of 71 kg (156.5 lb). 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. Biologist Rich Ross, who once worked in the commercial aquarium trade, proposes a private-sector solution to the information drought: “a cooperative of responsible saltwater aquarium dealers” that could both track the trade and promote sustainable practices. Your email address will not be published. It would be something along the lines of various angler's groups and the Association of Zoos and Aquariums, which represents public institutions. 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). He had recruited his teenage daughter to help him scour reef samples for the mantis shrimp he was studying off Australia's Lizard Island. Even if that demand continued exponentially, it would be legal: None of the 300-plus known species of octopus is listed under the Convention on International Trade in Endangered Species of Fauna and Flora (CITES), which regulates cross-border trade in wildlife, or the U.S. Reproduction in whole or in part without permission is prohibited. Weight: Generally, 110 to 150 pounds for a matured individual. Giant Pacific Octopus are semelparous, meaning they reproduce once then die. He found that these intelligent, curious animals need more than space, food, and clean water. However, the smaller and the young ones often fall prey to other octopuses, sea otters, seals, wolf eels, lingcod, halibuts, minks, diving birds and humans (fishermen). “Octopuses are very charismatic,” says James Wood, a marine biologist turned aquarium operator based near Palm Beach, Florida. Octopuses living in Captivity becomes relatively short life span and as little as six months. During this time, life is too hectic, and thousands of them fall prey to different creatures of the sea. Each captive or aquarium pet is known to have a unique temperament and personality and can be both playful and destructive. But Ross acknowledges that it hasn’t been easy to rally the industry; two previous efforts failed. Its aggressiveness and predatory behavior as envisioned by authors like Jules Verne is the stuff of legend, but the giant squid does exist. Octopus are mollusks, which means they are from the same phylum (or family) as slugs, snails, cuttlefish and … Such cavalier attitudes trouble Wood, who studied octopuses as a faculty member at the Bermuda Institute of Ocean Sciences. 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/. Your email address will not be published. Just this month, the season premiere of PBS’s Nature series, "Octopus: Making Contact," told the endearing tale of the close relationship between an Alaskan professor and his daughter and their pet octopus. More blue-ring fatalities may go unidentified, however, because the bites are painless and the mode of death—respiratory paralysis—can be caused by other toxins and nerve, muscle, and lung conditions. Size: The average length of an adult is about 15-16 feet across, which might as well be larger. By the time the young ones are a year old, they grow to around 2 pounds. 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. 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 “supermarket-style” stocking of exotic pets. That’s partly because records of imports of cephalopods to the United States are spotty and out of date. A male can mate with several females, but the female can reproduce only once in their lifetime. The giant Pacific octopus (Enteroctopus dofleini) is often cited as the largest known octopus species. The size record is held by a specimen that was 30 feet across and weighed more than 600 pounds.

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