+Hydrothermal vents are fissures on the [Seafloor](/wiki/seafloor) of the deep ocean, spewing superheated, mineral-rich water. These extreme environments foster unique [Ecosystems](/wiki/ecosystem) sustained by chemosynthesis, not sunlight.
+## See also
+- [Deep Sea](/wiki/deep_sea)
+- [Chemosynthesis](/wiki/chemosynthesis)
+- [Extremophile](/wiki/extremophile)
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