This copper base called hemocyanin, is more efficient at transporting oxygen when water temperature is very low. In order to survive the depths of the ocean, octopuses have evolved a copper rather than iron-based blood, which turns its blood blue.Two-thirds of an octopus’ neurons live inside of its arms, allowing them to problem solve and hunt for food with remarkable efficiency. The Octopus vulgaris is one of the most studied of all octopus creatures, and is also considered the most intelligent of all invertebrates.One heart exclusively circulates blood around the body, while the other two pump it past the gills, to pick up oxygen. As for their abodes, octopuses seek shelter under rocks, in holes or crevices and even protect themselves with shells or other objects they can gather.
If, by chance, a predator does spot them, an octopus will release a cloud of black ink to disorientate them, allowing itself time to flee. By using its camouflaging abilities, the common octopus can almost instantaneously match the colours, patterns and even textures of its surrounding environment. Due to their introvert behaviour, octopuses are experts at hiding themselves and their homes.Here are 5 other facts that you might not already know about the Octopus vulgaris.
Octopuses are incredibly shy creatures and although they are native to Bermuda, they can be hard to find as they are most active from dusk into the night. If you have ever encountered an octopus while exploring Bermuda’s waters, consider yourself lucky.
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