Troy Staggs was fishing in the Lake of the Ozarks when he got into a 47-minute fight with a lake sturgeon
Staggs caught the fish by tying his line to the fish's tail.
Staggs dropped the gentle giant back into the lake after taking a few shots.
Sturgeon are extremely rare, and they are one of the world's most endangered species.
The World Wildlife Fund estimates that 23 of the 27 species of sturgeon are critically endangered.