What is the largest freshwater fish in the world?

The Arapaima from South America is generally thought to be one of the largest freshwater fishes in the world. The biggest one found is said to have been 15 feet in length with a weight of over 400pounds. Most are between 7 and 8 feet long with a weight of 200 pounds, but even this is a colossal size for a fresh water fish.

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