Biwia

Biwia is a small genus of cyprinid fishes containing four species, three of which are endemic to Japan, and one of which (B. springeri) is endemic to Korea.

Species

 * Biwia springeri (Bănărescu & Nalbant, 1973)
 * Biwia tama (Ōshima, 1957)
 * Biwia yodoensis Kawase & K. Hosoye, 2010
 * Biwia zezera (Ishikawa, 1895)