The role of the chitinous beaks and the radula of the cephalopod Octopus vulgaris Lamarck, when feeding on either live shore crabs or whole dead fish, has been examined. One or more of these mouthparts was removed surgically and the effect on the quantity of food eaten and the method of cleaning the prey followed. The condition of the digestivetract was observed at post‐mortem.
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Altman et al. (1970) studied this question.
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