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Specimens of the ghost crab, O. ceratophthalma , ran at 1.825 ± 0.09 m/second on the sandy shore of the Flinders Islands and 2.33 ± 0.14 m/second on the deck of the R/V Alpha Helix. Specimens of Pachygrapus transversus ran at 0.92 ± 0.06 m/second on the ship's deck. Sex did not affect speed. O. ceratophthalma is anatomically and functionally specilized for running. The gait of O. ceratophthalma was recorded cinematographically and could be described by the fastest variants of the model devised by Wilson ('66) for insect walking.
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Hafemann et al. (1969) studied this question.
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