Using its beak, it is able to break into the shells of shelled molluscs.ĭuring daytime, the octopus typically seeks shelter where a minimal amount of its body is presented to the external water. It is able to change colour to blend in with its surroundings, and is able to jump upon any unwary prey that strays across its path. Crabs, crayfish, and bivalve molluscs (two-shelled, such as cockles) are preferred, although the octopus eats almost anything it can catch. ![]() It lives for a couple of years and may weigh up to 10 kgs. The common octopus grows to 25 cm in mantle length with arms up to 1 m long. When really threatened he will eject a cloud of ink allowing it enough time to seek shelter. When looking to ambush or to hide, it changes its color instantaneously and thus becomes one with the background. ![]() ![]() The common octopus is a master in disguise.
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