@todayshow tweets related to: Lake Tahoe, Goldfish, Video

Video on Today: California's Lake Tahoe is one of the country's most beautiful and clearest lakes, but scientists are becoming alarmed that it may be threatened by warm-water giant goldfish that are thriving as the lake has gotten warmer over the past decades. NBC's Kristen Dahlgren reports.
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Lake Tahoe invaded by giant goldfish. Video: http://t.co/ARKEBva1ku

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