With skin that can mimic colors, patterns ... So, they captured several East Pacific ruby octopuses (Octopus rubescens) and tested them to see how much energy they used up when changing colors.

Octopuses are renowned for their instant color-changing abilities, a skill they use to outwit predators and surprise prey. Yet, the energy cost behind this extraordinary camouflage has remained a ...

they can change color at will, and they can “see” light with their skin. One of the most striking things about these creatures, however, is the fact that each of their eight arms almost seems ...

It’s as if they use their skin to make three-dimensional images of objects in their surroundings. How do they do it? Octopus disguise has three main elements. One is color. Octopuses generate ...

Giant Pacific octopuses have huge, bulbous heads and are generally reddish-brown in color. Like the other members of the octopus family, though, they use special pigment cells in their skin to ...

Read the paper: High energetic cost of color change in octopuses In 1889 ... the expansion of chromatophores in samples of octopus skin and recorded the amount of oxygen consumed in five minutes.

Unlike the octopus's arms, which that animal often ... When it comes to changing one's skin color, the cuttlefish outshines even the chameleon, in both degree and kind. Its skin possesses up ...

Other colors are attainable by using a second layer of structures in the cephalopod skin called iridophores ... that disrupts the cuttlefish and octopus body outline (Hanlon & Messenger, 1988).

Dive biologist and leading expert on cephalopod behavior Roger Hanlon will be the guest speaker at the Marine Biological Laboratory’s Falmouth Forum on Friday, February 7. Start time is 7:30 ...