If forced to choose one descriptor for the octopus, the best word may be "otherworldly." These truly amazing marine animals are known for unique behaviors and traits rarely found in any other creature ...

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 ...