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Locomotion: the cost of gastropod crawling

M Denny

    Science (New York, N.Y.)
    |June 13, 1980
    PubMed

    Abstract:

    The power of locomotion of a terrestrial slug rises linearly with crawling speed. The metabolic cost of movement is 904 joules per kilogram per meter, considerably more than that reported for other forms of locomotion. This high cost is primarily attributable to the production of the pedal mucus by which the slug adheres to the substratum.

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