Franco Banfi / Pacific octopus (Octopus dofleini) Vancouver Island, British Columbia, Canada, Pacific Ocean

Jeff Rotman / Giant Pacific octopus squirting ink at diver, British Columbia Canada

Tony Wu / Giant Pacific octopus (Enteroctopus dofleini) juvenile. Hokkaido, Japan. May.

Franco Banfi / Pacific octopus (Octopus dofleini) Vancouver Island, British Columbia, Canada, Pacific Ocean

Pascal Kobeh / Close-up of the head of the Giant Pacific octopus (Octopus dofleini / Enteroctopus dofleini) the largest known octopus, Alaska, USA, Gulf of Alaska. Pacific ocean.

Jeff Rotman / Giant Pacific Octopus (Enteroctopus dofleini) weighing over 20 Kilos interacting with a diver. Victoria Island, British Columbia, Canada. Pacific ocean.

Alex Mustard / Giant Pacific octopus (Octopus dofleini) hunting on a reef, Browning Pass, Vancouver Island, British Columbia, Canada, Queen Charlotte Strait, Pacific Ocean.

Joel Sartore / Photo Ark / Giant Pacific octopus (Enteroctopus dofleini) female, portrait, Alaska SeaLife Center. Captive.

Shane Gross / RF - Giant Pacific octopus (Enteroctopus dofleini) camouflaged among rocks with Sea urchins (Strongylocentrotus sp.) and Orange sea cucumbers (Cucumaria miniata), Barkley Sound, Vancouver Island, Brit...

Shane Gross / Giant Pacific octopus (Enteroctopus dofleini) close up, Browning Pass, Vancouver Island, British Columbia, Canada, Pacific Ocean.

Fred Bavendam / Pacific giant octopus (Enteroctopus dofleini) moving away releasing a cloud of ink, British Columbia, Canada, Pacific Ocean. Some backscatter digitally removed.

Fred Bavendam / Pacific giant octopus (Enteroctopus dofleini) larvae, one carrying the remnants of egg yolk that nourished it during incubation, floating around egg strand, British Columbia, Canada, Pacific Ocean.