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Carbon Dioxide
How carbon dioxide is important to us as aquarists and concerned citizens.
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Invasive Aquatic Species
Learn about several invasive aquatic species, and find out how goldfish, livebearers, hydrilla, trumpet snails and lionfish were introduced.
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Invasive Control Methods
Learn methods used to eliminate or control invasive aquatic species, including their pros and cons.
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Invasive, Exotic, Nonnative Species
Several terms are thrown around that are similar to, "invasive species," and are sometimes used interchangeably. The most common of these are "exotic species" and "nonnative species."
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U.S. Native Pond Plants
Plan a “green” pond for summer that has a reduced impact on the environment and your wallet – plus, learn about native pond plants.
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Pygmy Sunfish
The pygmy sunfishes are a genus of seven small fishes found throughout the southeastern United States, shown to be sufficiently unique to be placed within their own family, Elassomatidae.
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