The behavior of the beach clam, Donax variabilis, resembles that of Donax semigranosis in that it migrates up and down the beach with the rise and fall of the tide assisted by the wash of the surf. On ...
The coquina clam, Donax variabilis, rides flow from waves, migrating shoreward during rising tides and seaward during falling tides. This method of locomotion, swash-riding, is controlled not only ...
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