+Bivalves are aquatic [Mollusks](/wiki/mollusk) encased in two hinged shells. These ancient [Invertebrates](/wiki/invertebrate) often filter feed, silently shaping marine and freshwater ecosystems.
+## See also
+- [Shell](/wiki/shell)
+- [Ocean Life](/wiki/ocean_life)
+- [Filter Feeder](/wiki/filter_feeder)
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