Young queen scallops attach themselves to rocks with byssus threads, but older animals are good swimmers; by snapping their valves open and close, they push water around which moves them as well. Just like great scallop, they have light-sensitive stips located around the shell which help them to 'see'. Fresh shells from young specimen are regularly found on the Frisian beaches; live animals are found particularly on floating objects. In the Province of Zeeland, you find mostly fossilized shells.
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