From DW Documentary.
The plural of octopus isn’t “octopi,” it’s actually octopuses. But that’s far from the most fascinating thing about them. Octopuses are incredibly smart and well adapted for survival. They’ve been around for over 330 million years, long before dinosaurs roamed the Earth, giving them a huge evolutionary head start. Together with their squid and cuttlefish relatives, octopuses have developed camouflage skills that seem out of this world. Their skin is covered with thousands of color-changing cells called chromatophores, tiny sacs filled with different pigments that expand and contract to change color. To process all this sensory input, octopuses have evolved remarkably. As well as the central brain in their head, each of their eight arms has its own mini brain, which can sense, move, and react independently.
Watch “Octopus under threat – Searching for clues around the Mediterranean” on the DW Documentary YouTube channel.
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