The 36-year-old was found dead after he allegedly fled officers following a raid at a property in the Far North Queensland city of Rockhampton, about 6pm (AEST) on Thursday.
He jumped into the Fitzroy River, a known crocodile habitat.
Police set up an an exclusion zone in the river while they searched for the man with boats and helicopters.
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The body was found by a member of the public on Saturday night.
Police are investigating.