For the first time, marine biologists have measured the energy demands of octopus color changes, revealing that the process requires more calories than a 25-minute jog.

For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a ...

The findings are the first to quantify how much work goes into switching on chromatophores, the specialized color-changing ...

A pair of biologists at Walla Walla University, in the U.S., have developed a way to calculate the energy costs for certain ...

Octopus filmed firing stones from her siphon from inside a clam shell like a sniper in never-before-seen behavior captured ...

Octopuses are masters of camouflage and disguise. An alarmed octopus can vanish even while you watch, flawlessly transforming ...

When the octopus first emerged, it was a pale, almost translucent color. (Image credit ... usually not exceeding a year-it's possible that changing oceanic factors influenced their abundance.

One is color. Octopuses generate color through ... By contracting special muscles, octopuses can change their skin from smooth to spiky. The effect can be extreme. The algae octopus, Abdopus ...

“Though octopuses make color change look effortless, it isn’t for them.” An octopus arm. The small dots visible on the arm are the chromatophores. Credit: Jamie Andersen Fields. Even this ...

The metabolic cost of changing color could be quite high indeed – and it could be more beneficial for octopuses to hide when they can, and use camouflage only when no other options are available.