Epic Octopus Fight Caught on Video

July 14, 2015 - New footage shot off southeastern Australia suggests that Sydney octopuses (Octopus tetricus)—or gloomy octopuses—broadcast their intentions to each other, either to avoid or to escalate conflict. The ocean dwellers engage in a variety of behaviors, such as simply reaching out toward another octopus, chasing another, or grappling with another, as seen in this video. These low-intensity interactions allow the octopuses to feel each other out and perhaps avoid most full-blown fights.

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"Fighting Octopuses Video Is First to Show How They 'Talk'"

Video courtesy Peter Godfrey-Smith, City University of New York and University of Sydney; David Scheel, Alaska Pacific University; Stefan Linquist, University of Guelph, Ontario, Canada; Matt Lawrence