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| + | An '''aquarium''' is a [[glass]]- or [[plastic]]-sided tank used to house and display live [[fish]] or other [[aquatic]] animals and plants. The aquarium size/capacity is usually measured in gallons of water, such as a 20 gallon tank or 40 gallon tank. A saltwater tank is required for fish from the [[ocean]]; a freshwater tank is used for [[tropical]] fish and [[goldfish]]. |
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| | + | An aquarium for tropical fish would typically include the fish, water, a filtering device and an aerating device to keep the water filtered and oxygenated, a heater, an overhead light, small rocks, [[gravel]], or [[sand]] on the bottom of the tank, an assortment of plants, and possibly other decorations. An aquarium for small [[turtle]]s would include an underwater area and an above ground area such as a rock. |
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| | + | There are also much larger aquariums with exhibits of larger animals on public display, such as [[shark]]s and [[penguin]]s. Examples of larger aquariums are the [[Monterey Bay Aquarium]], Marine World and the [[San Diego Zoo]], where larger marine animals are housed. |
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| | + | ==References== |
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| | + | *http://www.mbayaq.org/ - Monterey Bay Aquarium |
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| | + | [[Category:Fish]] |
| | + | [[Category:Marine]] |