Attributes / relations provided by
♦ ¹Who's Eating Who
♦ ²CephBase - Cephalopod (Octopus, Squid, Cuttlefish and Nautilus) Database
♦ ³Towards the trophic structure of the Bouvet Island marine ecosystem, U. Jacob, T. Brey, I. Fetzer, S. Kaehler, K. Mintenbeck, K. Dunton, K. Beyer, U. Struck , E.A. Pakhomov and W.E. Arntz, Polar Biology, 29 (2). pp. 106-113 (2006)
♦ ⁴Food of emperor penguins (Aptenodytes forsteri) in the western Ross Sea, Antarctica, Y. Cherel and G. L. Kooyman, Marine Biology (1998) 130: 335-344