Veined Octopus, Amphioctopus marginatus, showing sophisticated tool use behaviour. Footage shot by Dr Julian Finn of Museum Victoria. Finn, J.K., T. Tregenza and M.D. Norman. (2009) Defensive tool use in a coconut-carrying octopus, Current Biology, Volume 19, Issue 23, R1069-R1070, 15 December 2009