The North Pacific giant octopus is the largest octopus species in the world, with a 10m arm span. Living on average 3-5 years they are also one of the longest living octopus species. After a single mating, females lay up to 100,000 eggs in a den and die soon after the eggs have hatched. Males also die soon after mating. It has been estimated that a mature female will have about 280 suckers per arm.

More...