noun
Nigoro-buna; Carassius auratus grandoculis
A subspecies of goldfish native to Lake Biwa, Japan. Important in local fisheries and used to make funazushi.
ニゴロブナは琵琶湖の固有種です。
The Nigoro-buna is a species endemic to Lake Biwa.
この鮒寿司はニゴロブナで作られています。
This funazushi is made with Nigoro-buna.
The name likely derives from the local name in Shiga Prefecture, possibly related to its appearance or habitat. The kanji 煮頃鮒 and 似五郎鮒 are ateji and do not reflect the etymology.