She cares for the eggs until they hatch into tiny, immature octopuses. Many of the young are eaten by fish and other marine animals. The remaining young drop to the ocean bottom and develop into adult octopuses. Some species lay relatively large eggs. The young of these species live on the ocean bottom immediately after hatching.
Octopuses have short lives.
Many live one year or less. The largest species live about three years. Octopuses and people. Most octopuses are not regarded as dangerous to human beings. However, octopuses sometimes bite, so caution is necessary in handling them.