Moving
The main method of movement used by the octopus is to crawl, using their muscular arms and suckers to anchor them to the bottom. They can also move by jet propulsion. The head of the octopus, the mantle, contains a muscular layer used to circulate water through the mantle cavity. By dilating and contracting the muscular layer opens and closes, forcing water to pass through the funnel. Some of the energy produced by this action is stored until the cavity is refilled with water, and then released as the water is pushed out the funnel, propelling the octopus head-first through the water. This method is mostly used when they have to escape from enemies or when they are following a prey.
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