Asian swamp eel
Rare term for the Asian swamp eel (Monopterus albus). The more common name is 田鰻 (たうなぎ).
See also: タウナギ
川蛇 is sometimes used as another name for the Asian swamp eel (田鰻).
Compound of 川 (kawa, 'river') and 蛇 (hebi, 'snake'), literally 'river snake', referring to the eel's snake-like appearance and habitat.