A video taken during a dive in Lembeh Strait, Indonesia, shows an aggressive coconut octopus walking across the ocean floor with the bivalve shell it uses for protection and lurching at the person ...

Australian scientists have discovered an octopus in Indonesia that collects coconut shells for shelter — unusually sophisticated behavior that the researchers believe is the first evidence of tool use ...

Scientists are studying how the argonaut octopus evolved the ability to produce a floating shell-like structure to care for its offspring. By Sofia Quaglia Argonauta Argo is not a typical octopus.

Tools aren’t just for vertebrates anymore. The veined octopus has been spotted lugging around coconut shells to serve as mobile shelters, the first time scientists have observed tool use in an ...

The ancestors of octopuses and squid once sported hard shells, but when did they lose their "mobile homes" and become agile, soft-bodied swimmers? A new study finds that this change may have occurred ...