An old timer was out fishing one day and caught well over his limit before he even realized it and decided he better get on home.
As he was loading up his boat the game warden walked up and asked to see his catch.
Realizing the gravity of the situation, he told the game warden he ended up not catching anything but his pet fish had a good swim.
Warden: Pet fish? What type of idiot do you think I am?
Old timer: It’s true. I take em out once a day and let em swim in the lake. Once we’re done, I whistle and they all come back.
Warden: You whistle and the fish come back? Bullsh!t.
Old timer: It’s true, I’ll show you.
So, the old timer gets his cooler, plumb full of fish, and opens it in the water.
Of course all the fish swim out and are gone in seconds.
Warden: So, go ahead and whistle to get the fish back.
Old timer: What fish?