Coconut-carrying octopus

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