Turkish consumers rave for stones found in fish heads
A type of stone found inside fish heads, called an otolith, is thought to help with people's kidney pains, which has prompted their demand to increase to the point where they cost more than the fish.
A sort of stone found inside some of the fish, known as otoliths or "earstones," is thought to be helpful for kidney pains, which increased their demand to the point where they cost more than the fish.