Refers to the fin of a shark, especially as a food ingredient. Cross-referenced with the alternative form 鱶鰭.
See also: フカヒレ
In Chinese cuisine, shark fin is used as a luxury ingredient.
Compound of 鱶 (fuka, 'shark') + の (possessive particle) + 鰭 (hire, 'fin'). The kanji 鱶 is a kokuji (Japanese-created character) for shark.