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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 ...

A mirror can seem deceptively simple. To us, it is an everyday object, useful for checking appearances or watching what is ...

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 ...

Recent research has revealed a remarkable prehistoric octopus that may have been one of the largest cephalopods ever ...