The octopus is a marine creature that doesn't generally live very long. The average lifespan of an octopus is around 3 years. The lifespan of an octopus is less certain, some octopuses will live longer, up to about 4 years, but generally no more than 5 years; some octopuses have a much shorter lifespan, perhaps only 2 years or even less.

There are a number of factors that can affect the lifespan of an octopus. Species is an important factor, there are very many species of octopus, all the species of octopus in the world add up to hundreds of species, the life span of these octopuses will vary. The living environment will also have a relatively large impact on the life of the octopus, the artificial breeding of octopus live longer, the wild octopus life is shorter.