What is the largest species of octopus?

The largest species of octopus is the giant Pacific octopus (Enteroctopus dofleini), which can grow to a length of 9 meters (30 feet) from tentacle to tentacle and weigh up to 272 kilograms (600 pounds). Native to the Pacific Ocean, particularly off the coasts of North America and Japan, this octopus is known for its intelligence and ability to camouflage. Giant Pacific octopuses primarily feed on crabs, fish, and other invertebrates, and they use their powerful arms and suction cups to capture prey.