+An **aquarium** is a transparent tank or container designed for holding [Fish](/wiki/fish) and other aquatic animals and plants. It serves as a controlled, miniature [Ecosystem](/wiki/ecosystem) for observation, bringing underwater worlds into view.
+## See also
+- [Fishkeeping](/wiki/fishkeeping)
+- [Marine Biology](/wiki/marine-biology)
+- [Habitat](/wiki/habitat)
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