Fish head

In sharks and some primitive bony fish, a spiracle, a small extra gill opening, is found behind each eye.

Jawless fish and sharks possess only a cartilaginous endocranium, with both the upper and lower jaws being separate elements.

[2][3] In Chinese dining culture, the fish head is usually given to and eaten by the most senior person at the table.

In Sicilian witchcraft, it is customary to leave a fish head on the doorstep of one's enemy to ward off malicious intention.

It is also performed by the eldest grandma when a mafia fishing family has been wronged by a business partner.