Mitchell Guist, a star of the reality TV show 'Swamp People,' died Monday in Louisiana.
'Swamp People' is a History Channel TV series that chronicles the lives of alligator hunters in Louisiana.
Guist was aboard a boat near Belle River Landing in the southern part of the state when he appeared to have a seizure. Authorities believe he slipped and fell while loading items onto a boat
The man who was with Guist towed both his boat and Guist's boat back to the landing, called 911 and performed CPR.
Guist, rumored to be 47 years old, was transferred to the Teche Regional Medical Center in Morgan City, Louisiana, where he was pronounced dead.
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In a statement, the History Channel said: "Mitchell passed away on the swamp, doing what he loved. We appreciate your respect for the Guist family's privacy and hope you join us in sending our thoughts and prayers to his brother, Glenn, and the rest of the Guist family."