Despite their common name, cuttlefish are not fish at all but are relatives of squids and octopuses. They are skillful hunters, with an amazing ability to change color in a flash.
Cuttlefish hunt mainly at night, often lying halfburied in sand or mud during the day. Even when active, they spend most of their time near the seafloor, swimming slowly by rippling the fins running down their sides. They can also move faster by squirting water out through a tube beneath the head. Inside the flattened body of