The giant Pacific octopus lives in temperate waters in the Pacific Ocean, ranging from Alaska all the way to Baja California. They can be found west to the Aleutian Islands and south to Japan. They’re found at a variety of depths, from shallow water to up to 4,900 feet deep.
THREATS AND CONCERNS
Giant Pacific octopuses are not currently under the protection of Convention on International Trade in Endangered Species of Wild Fauna and Flora, however, the giant Pacific octopus is facing mounting threats due to climate change, pollution, and fishing. Their popularity as a commercial product has increased, with a 2.5 million ton harvest going to the food market and 35,000 pounds caught annually as by-catch. They also have a short life span and are very reclusive, making research difficult.
LIFE HISTORY AND REPRODUCTION
The giant Pacific octopus lives three to five years, and reach sexual maturity at two years of age. While they spend most of their life in solitude, they do eventually seek out a mate and, to make up for it’s short lifespan, they are extremely prolific.
Females lay 120,000 to 4000,000 eggs in long strands, called a ‘mermaid's purse’. The females then care extensively for their eggs and young, protecting them while they themselves starve over the course of six months.
Males don’t have it much better; they pass a spermatophore into the female's mantle during mating and then die a few weeks later.