What is the life expectancy of an octopus?

The life expectancy of an octopus varies significantly depending on the species. Some species, such as the common octopus (Octopus vulgaris), have a relatively short lifespan of only 1-2 years. Other species, such as the giant Pacific octopus (Enteroctopus dofleini), can live for up to 5 years in the wild. On average, most octopus species have a life expectancy of around 3 years.