33. Octopus Signals

The octopus above has raised his mantle high over the back of his head. Another octopus sits below, to the right, and in center screen a puffer fish looks laconicallyon. Yesterday our third research paper about theOctopolis site, which was discovered by Matt Lawrence in 2009, came out in Current Biology. It’s freely available at the journal’s website at present.

The theme of the paper is signaling and displays between octopuses at the site. David Scheel is the first author, and he did most o...