Strange new species of blue octopus discovered by scientists 5,900 feet underwater: "It's beautiful"

The new species, named Microeledone galapagensis, has a blue hue, which is believed to be the rarest color in nature.
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Octopuses change color in milliseconds, even though they are colorblind

Octopuses change color to camouflage themselves from predators such as stingrays and eels. Octopuses have even been observed changing color in their sleep. Octopus's color-changing ability is known as ...