Why this adorable hatching octopus suddenly turned purple

Last night, a strange video appeared on Twitter: it looks like some sort of deep sea bloom — but then a tiny octopus squirts out and zooms away, changing colors from white to purple. What exactly are we seeing here?The video, posted by the Virginia Aquarium, shows a baby Caribbean reef octopus (Octopus briareus) no bigger than a pinky nail hatching from a bundle of eggs. As for the color change, these octopuses are known to be masters of disguise. “It was going into an instant camou