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This octopus survives in plain sight. Here’s how it adapts its body in real time to mirror dangerous species and navigate one of the ocean’s most exposed environments.

A distinct striped pattern on a species of octopus varies from one individual to the next, which could help researchers monitor the rare animal. Pygmy zebra octopuses (Octopus chierchiae), also known ...

Unlike most of its invertebrate peers, octopuses gave up protective shells... But it seems that the sacrifice was totally worth it.

Camouflage isn't the only way cephalopods have evolved to change their appearance. Octopuses and other cephalopods make the fastest transformations in the animal kingdom. Here, a giant Pacific octopus ...

Locked inside fist-sized lumps of ancient rock from Japan and Vancouver Island, paleontologists found something that almost ...