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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Coconut Octopus</title>
</head>
<body>
<main>
<section class="main-section">
<h1>Coconut Octopus</h1>
<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Coconut_Octopus_%28Amphioctopus_marginatus%29_%286079648725%29.jpg/220px-Coconut_Octopus_%28Amphioctopus_marginatus%29_%286079648725%29.jpg" alt="picture of an octopus">
<p>
<em>Amphioctopus marginatus</em>, also known as the coconut octopus and veined octopus, is a medium-sized cephalopod
belonging to the genus Amphioctopus. It is found in tropical waters of the western Pacific Ocean. It
commonly preys upon shrimp, crabs, and clams, and displays unusual behavior including bipedal walking and
tool use (gathering coconut shells and seashells and using these for shelter).
</p>
<h3>Size and Description</h3>
<ul>
<li>The main body of the octopus is normally 8 centimeters (3 in) long and including the arms, approximately 15 centimeters (6 in) long. </li>
<li>The octopus displays a typical color pattern with dark ramified lines similar to veins, usually with a yellow siphon. The arms are usually dark in color, with contrasting white suckers. In many color displays, a lighter trapezoidal area can be seen immediately below the eye. </li>
</ul>
<br>
<h3>Behavior and Habits</h3>
<ol>
<li>The coconut octopus is found on sandy bottoms in bays or lagoons. It frequently buries itself in the sand with only its eyes uncovered.[citation needed]</li>
<li>In March 2005, researchers at the University of California, Berkeley, published an article in Science in which A. marginatus was reported to show bipedal locomotion. It is one of only two octopus species known to display such behavior, the other species being Abdopus aculeatus. The authors discovered this behavior in an area off Sulawesi, Indonesia, where the sandy bottom was littered with coconut shells.[1] The bipedal motion appears to mimic a floating coconut.[2]</li>
<li>Researchers from the Melbourne Museum in Australia claimed the coconut octopus uses tools for concealment and defense by gathering available debris to create a defensive fortress. This behavior was observed in individuals in Bali and North Sulawesi in Indonesia.[3][4][5] The researchers filmed the octopus collecting coconut half-shells discarded by humans from the sea floor. They were then carried up to 20 meters (66 ft) and arranged around the body of the octopus to form a spherical hiding place similar to a clam-shell.[4][6]</li>
</ol>
</section>
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