+Bivalves are aquatic [Mollusks](/wiki/Mollusk) encased within two hinged shells. These filter feeders draw water to extract nutrients, playing a vital role in marine ecosystems. Most are sessile, like the [Oyster](/wiki/Oyster), while others can move about.
+## See also
+- [Clam](/wiki/Clam)
+- [Scallop](/wiki/Scallop)
+- [Shell](/wiki/Shell)
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