Etymology and distribution of 鮒.

Funa 【鮒】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toukyou-to , Fukushima-ken , Hokkaidou .

① variant of 柳川 .

② Korean type . Terrain . A variant of 柳川 . There is a record of naturalization on Aichi-ken Toyokawa-shi on March 7, 1974. Well ye are willow. 柳 Yanagi reference.