Authorities have identified the man as 67-year-old Charlie Vang of Del Rey.
Vang's body was discovered in the canal bank near Blackstone Avenue and Fedora Avenue around 1:00 pm.
It wasn't immediately clear how Vang ended up in the water. Authorities said they were in the preliminary stages of their investigation.
The Fresno County Coroner's Office was responding to the scene.
EDITOR'S NOTE: The video above is from a previous broadcast.