Enteroctopus dofleini, also known as the Giant Pacific octopus or North Pacific Giant octopus, is a large marine cephalopod belonging to the phylum Mollusca, and genus Enteroctopus. Its spatial distribution includes the coastal North Pacific, along California, Oregon, Washington, British Columbia, Alaska, Russia, northern Japan and Korea. It can be found from the intertidal zone down to depths of 2,000 m, and is best adapted to cold, oxygen-rich water. It is arguably the largest octopus species, based on a scientific record of a 71 kg individual weighed live. The alternative contender is the seven-arm octopus based on a 61 kg carcass estimated to have a live mass of 75 kg. However, a number of questionable size records would suggest E. dofleini is the largest of all octopus species by a co