noun
longnose butterflyfish; forcepsfish
A species of butterflyfish (Forcipiger flavissimus) found in the Indo-Pacific, known for its long snout. The name is usually written in katakana.
フエヤッコダイは長い口が特徴的なチョウチョウウオの仲間です。
The longnose butterflyfish is a member of the butterflyfish family, characterized by its long snout.
ダイビング中にフエヤッコダイを見つけた。
I spotted a forcepsfish while diving.
General term for butterflyfish; フエヤッコダイ is a specific species within this group.
The name likely combines 笛 (fue, 'flute') with 奴鯛 (yakkodai, 'angelfish'), referring to the fish's elongated snout resembling a flute and its angelfish-like body shape. The exact derivation is uncertain.