noun
willow gudgeon; Gnathopogon caerulescens
A freshwater fish native to Lake Biwa and surrounding areas; also farmed and used in cuisine.
ホンモロコは琵琶湖の固有種で、佃煮や天ぷらにして食べられます。
The willow gudgeon is a species endemic to Lake Biwa and can be eaten as tsukudani or tempura.
The name ホンモロコ likely derives from 本 (true) + モロコ (a general name for small carp-like fish), distinguishing it from other similar species.