The red octopus ( Octopus rubescens ), found along the Pacific coast, grows to about 20 inches (51 centimeters). The common octopus ( Octopus vulgaris ), found along the east coast of the U.S., is much smaller, growing up to about three feet (0.9 meters). It has an arm span that can reach 14 feet (four meters). The giant Pacific octopus ( Enteroctopus dofleini ), found off the Pacific coast of the United States from California to Alaska, is the largest octopus species in the world. There is tremendous range in the size of octopus species found in U.S. They are believed to be quite intelligent-capable of learning, using tools, and remembering locations. The tree octopus can feed on a variety of prey including large insects and small rodents. Their skin contains cells called chromatophores that allow the octopus to change color and pattern. Why the Danger The Pacific Northwest Tree Octopus decline might seem like a mystery at first. They are about 90 percent muscle, and because they lack bones, they can fit through very small spaces. Octopuses are solitary creatures excellent at camouflaging and concealing themselves. Octopuses, like their cousin, the squid, are often considered monsters of the deep, though some species, or types, occupy relatively shallow waters. They live in all the world’s oceans but are especially abundant in warm, tropical waters. Rather than iron-based blood, their blood is copper-based, which is more efficient at transporting oxygen at low temperatures and makes their blood blue in color. Octopuses are sea animals famous for their rounded bodies, bulging eyes, and eight long arms. Two of the hearts work exclusively to move blood to the gills, while the third pumps blood through the rest of the body. Octopuses have a hard beak, which they use to pierce the shells of crustacean prey. The sack-like body is perched atop the head, which has two complex and sensitive eyes, while the mouth is on the underside. The undersides of the arms are covered with suction cups that are very sensitive to touch and taste. They use their arms to "walk" on seafloor. A ring of eight equally-long arms surround the head. In addition, the author states that sasquatch is a natural predator to the Pacific Northwest Tree Octopus. Cephalopoda means “head foot” in Greek, and in this class of organisms, the head and feet are merged. The giveaway A quick search of the affiliated school, Kelvnic University, and the Wild Haggis Conservation Society, brings up quite a few websites that state them as fake. The octopus is a marine mollusk and a member of the class Cephalopoda, more commonly called cephalopods.
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