Octopuses are truly one of the most fascinating and unique creatures in the animal kingdom
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Their unique anatomy and abilities set them apart from other animals, making them true marvels of nature
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Octopus anatomy is quite alien, including eight arms plus nine brains, three hearts and blue blood
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Two branchial hearts pump blood to the octopus's gills, while the third systemic heart pumps blood to the rest of its body
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Octopuses have copper-based hemocyanin in their blood, which gives it a blue colour and helps transport oxygen more efficiently in cold, low-oxygen environments
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This adaptation enables them to thrive in deep-sea habitats where oxygen levels are limited
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Octopuses have a large central brain and eight smaller "mini-brains" called ganglia, which can function independently to control different parts of their body
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Additionally, they have eight arms, covered with suckers that taste and feel, helping them crawl, swim, and manipulate objects
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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
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However, octopuses have incredibly short lifespans, and typically live between one to five years in the wild