In fact, no cuttlefish is. S. officinalis lives in the English channel, south in through the Mediterranean Sea along the west coast of Africa to the southern-most point of Africa.
Some populations migrate from deep to shallow waters in the summer.
Some will also eat fish. They are eaten by sharks, fish and other cuttlefish. Life spans of one to two years have been reported for S. officinalis . They have 8 arms and two tentacles. The tentacles are shot out quickly to capture prey, and the arms are used to hold and move the prey around once it is caught.