spangled emperor; Lethrinus nebulosus
A species of emperor bream. The name is a specific biological term; in everyday contexts, it may simply be referred to as a type of フエフキダイ.
The spangled emperor is often seen in the seas around Okinawa.
Katakana spelling is standard for this fish name.
Kanji spelling is rare and may not be widely recognized; the word is usually written in kana.
The name likely derives from 浜 (beach) + 笛吹 (flute player), possibly referring to the fish's appearance or sound, but the exact origin is uncertain.