Octopuses are known for their incredible ability to change color in an instant. This amazing skill isn’t just for show—it ...

Now, biologists have measured how much energy octopuses use during their complete color transformations, providing new insights into their biology. While the advantages of an octopus’s color ...

Ms Sonner and Professor Onthank found that the average octopus uses 219 micromoles of oxygen per hour when fully changing color, equivalent to the energy the octopus uses for all its other bodily ...

Add in the octopus’s small size (generally around eight inches), relatively short arms, bell-shaped body, pale coloring, and tendency to hover over the seafloor, and you’ve got a cephalopod ...