Ghost Head Saury of Turkish Cuisine

"Ghost saury" is a common oceanic surface migratory fish, not deep-sea fish.
The origin of the ghost knife

The scientific name of the ghost-headed saury is doma mahi, another name for the dolphin, but it is not only a ghost-headed sword, but also underwater foxes, ten thousand fish, flying black tigers, etc., all of which are very individual. Body elongated laterally flat, tall in front, tapering back. The head is large and the back is very narrow. The back of the male's head is raised in a square shape, and the fish face is as steep as a ghost's head, which is also the source of their common name "ghost-headed knife".