On certain remote shores in northern Australia, the line between sea and land is not as firm as it looks. When the tide drains away, a small, mottled octopus hauls itself out of the shallows and ...

The algae octopus (Abdopus aculeatus), also called the prickly octopus, lives in the Indo-West Pacific. Despite its modest size — its mantle (main body) is only 3 inches long with arms stretching up ...