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11 largest freshwater fish in the world

By: Bryan Nelson on Oct. 4, 2010, 11:50 a.m.

Photo: Russian Hunting Agency

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The taimen, found in freshwater rivers and lakes of Russia, Mongolia and Central Asia, is the largest species in the salmon family.

Because they can grow to over six feet in length and have been known to gulp up creatures like rodents and birds, they have been called the "Mongolian Terror Trout" by National Geographic. According to Chinese folklore, monster fish weighing upwards of 3,000 pounds have been found, though taimen that large have never been confirmed.