When octopuses move across the seafloor, they can use multiple arms to camouflage from predators. These strong arms are also used for building dens, chucking shells, competing for mates, and more.

A steroid hormone may be responsible for making young female octopuses waste away and die soon after laying eggs. California two-spot octopuses (Octopus bimaculoides) are normally very active ...

MONTEREY, Calif. -- The images are stunning. Thousands of octopus moms are protecting their newly laid eggs on the ocean floor of the Monterey Bay National Marine Sanctuary. And the underwater ...