|Kanji in this term|
|ふな > ぶな
According to one theory, the Gengorō portion was the name of a fisherman who fished in Lake Biwa, and every morning, presented the best of his catch of funa to the local lord. In another theory, this term arose from a tale about a Lake Biwa fisherman named Gengorō, who fell in love with a noblewoman and arranged a secret meeting with her by hiding a note inside a gengorōbuna fish that he had caught and presented to her.
- Carassius cuvieri: the Japanese crucian carp or white carp, a type of 鮒 (funa, “crucian carp”), an edible freshwater ray-finned fish related to carp and goldfish and endemic to Lake Biwa in Japan