Unconfirmed reports talk about individuals growing much bigger than this, including one report of an octopus that weighed 272 kg. The giant Pacific octopus can be found in southern California, northward along the coast of North America, across the Aleutian Islands and southward to Japan. See more ideas about giant pacific octopus, octopus, ocean life. 7. It is best adapted to cold, nutrient-rich environments and their distribution ranges throughout the northern Pacific Ocean from Japan to Alaska and the west coast of North America as far south as Baja California, Mexico. During this time, she will not eat. In combination with the species’ ability to change the texture of its skin, these chromatophores can be used to carefully mimic complex surfaces such as a rocky substrate covered in various species of colorful algae and other benthic species. Females lay about 74,000 eggs in a clutch, normally in a deep den or cave. The Giant Pacific Octopus (Enteroctopus dofleini) is a large, marine invertebrate (soft-bodied) mollusc in the Octopoda order. “Giant Pacific Octopus.” Biology Dictionary. We are restoring the world’s wild fish populations to serve as a sustainable source of protein for people. Diet Newly hatched octopuses feed on plankton (small, microscopic organisms), while adults feed on crabs, shrimp, clams, snails, fishes and even other octopuses, using their beaks to break open hard-shelled prey. Retrieved from https://biologydictionary.net/giant-pacific-octopus/. 5. It has also been known to eat small sharks, using their beak-like mouths to fatally wound their prey before consuming it. The eggs are placed on rocks or sandy bottoms at depths less than 164 feet (50 m). Along with eight arms, an octopus also has three hearts and nine brains. One sucker of the giant Pacific octopus can lift objects as heavy as 35 pounds i.e 16 kg. Giant Pacific Octopus. Be sure to watch out for this, and carefully free it where it was caught so it can get back to its den. CAMOUFLAGE They’re able to change their color and texture to camouflage themselves in the blink of an eye, thanks to a complex system of specialized pigment sacs called chromatophores, nerves and muscles. The Giant Pacific Octopus is happiest more than 6,000 feet below the surface of the ocean, ... they assumed the octopus’ strength and camouflage would keep it safe. [1] The smallest is the Californian octopus, Enteroctopus micropyrsus, which only reaches 1-2.5 cm in length. Octopuses are actually mollusks—their shells are located in the head as two small plates and the rest of their body is soft. These abilities are made possible due to the presence of special pigment cells called chromatophores that sit just below the surface of the skin. Its millions of elastic cells under the skin, called chromatophores, contain special colored pigments. Two of the three hearts pump blood to the gills, while the third circulates blood to the rest of the body. Like many octopuses, the giant Pacific octopus has the ability to drastically change the color and texture of its skin. “Giant Pacific Octopus.”, Biologydictionary.net Editors. A female giant Pacific octopus named Billye was also seen opening a childproof pill bottle. This is called ‘adaptive camouflage’ (check out the video links below for … Some of the more interesting adaptations are described below. Giant Pacific octopuses have short lifespans of only 2 to 3 years on average. 2. They are usually a deep orange-brown colour, but they have sophisticated camouflage capabilities. This is why the octopus is so great at blending into its enviroment when it wants to. The blood of the giant Pacific octopus has a copper-rich protein called hemocyanin that improves its ability to transport oxygen in cold ocean environments. Chameleon-like, giant Pacific octopuses can change their appearance to mimic rocks and highly patterned coral. Another diver recorded the encounter on video. Two of these hearts – the branchial hearts – pump blood to the gills where it can become re-oxygenated much like occurs in the lungs of mammals such as humans. When these muscles contract, the sac expands, revealing more vibrant pigments such as yellows and reds. Giant Pacific Octopuses, and all of their cephalopod kin, are seriously extreme. Weight can range from 60 to 100 pounds. Here, she will spend all of the next seven months watching over them and ensuring that they are receiving enough oxygen. And, after the eggs hatch—the female octopus dies. Within each chromatophore is an elastic, pigment-filled sac. http://ow.ly/HoEaH, Cephalopods, Crustaceans, & Other Shellfish, The eye-opening reason huge squid are invading the eastern Pacific, For thousands of Peruvian families, the road out of poverty is paved in squid, How fishermen and scientists joined forces to bring back Kyoto's snow crabs, Doomed by their beauty, nautiluses could be headed toward extinction, From rock bottom to rock lobster: How New Zealand fishermen helped bring back their famed “crayfish”, Oceana Reveals Mislabeling of Iconic Chesapeake Blue Crab. Its beak and radula are at the center of the mantle. Northern Pacific Ocean from Japan to Alaska and California. During mating, the male octopus inserts a specialized arm called a hectocotylus into the … Like many octopuses, the giant Pacific octopus has the ability to drastically change the color and texture of its skin. Giant Pacific Octopus “Giant” is the operative word here. When threatened, octopuses can also cloud predators in black ink. Females reach maturity at about 2-3 years of age. When full grown, this species can be over 7 m from arm tip to arm tip and over 73 kg = the biggest species of octopus in the world. Incredible Fight! The Giant Pacific Octopus is one of the two largest species of octopuses in the ocean. The largest individual on record weighed an impressive 600 pounds and measured 30 feet across in length. Octopuses and cuttlefish also use color change to warn their predators or any animals that threaten them. In addition, they can learn to recognize other individuals, including their handlers in the case of specimens kept in captivity at aquariums. Oceana joined forces with Sailors for the Sea, an ocean conservation organization dedicated to educating and engaging the world’s boating community. Octopus has special color cells in their skin. Also, sometimes GPOs get caught in fishing lines, nets, and crab pots. Octopuses use one central brain to control their nervous systems and a small brain in each arm to control movement. The Giant Pacific octopus uses eight strong arms combined with suckers [6] to find and hold prey; it may paralyze prey such as fish with a toxic saliva, then tear into it with its parrot-like beak or simply pull the prey’s defenses apart (as with crab shells) to get at the meal within. This species is also found in areas along the east coast of Asia from Russia to Japan. Giant Pacific octopuses can grow to 29.5 feet (9 m) wide from the tip of one arm to the tip of another and 44 pounds (20 kg). See more ideas about Octopus art, Octopus, Tentacle. Once the eggs hatch, the female dies, and her offspring will be completely independent. Today I want to write about a really cool octopus, the giant Pacific octopus. Giant Pacific Octopus Moving. FACT 8. While they are not territorial, they like to hang out on familiar “home turf” near their dens. 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