#aquarium__fish_tank__marine_museum__vivarium  a tank or pool or bowl filled with water for keeping live fish and underwater animals
  supertype:  #storage_tank__storagetank__tank  a large (usually metallic) vessel for holding gases or liquids
  subtype:  #fishbowl__fish_bowl__goldfish_bowl  a transparent bowl in which small fish are kept
  subtype:  #Marineland  a commercial aquarium featuring trained dolphins

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