Hieroglyphics of Horapollo: Book II.: CXII. How a Man Pun...
Hieroglyphics of Horapollo, tr. Alexander Turner Cory, [1840]
When they would symbolise a man punished for murder and repenting, they depict a PARTINACA (a fish with a sting in its tail,) CAUGHT ON A HOOK; for when caught it casts away the sting in its tail.