Most octopus species live their lives largely on their own. New research
published in the journal PLOS ONE
, however, documents unique social behaviors among several specimens of the larger Pacific striped octopus, including strange mating approaches, the cohabitation in dens by mating pairs, and sharing of food. Richard Ross, a senior biologist at the California Academy of Sciences, describes some of the species’ unusual habits, including a method of hunting shrimp by tapping the prey on the back to surprise it (see video below).