Acheilognathus lanceolatus

Tanakia lanceolata is a temperate freshwater fish belonging to the Acheilognathinae sub-family of the family Cyprinidae. It originates in inland waterways in China, Japan and the Korean peninsula. It was originally described as Capoeta lanceolata by Temminck & Schlegel in 1846, and has also been referred to as Acheilognathus lanceolata and Acheilognathus lanceolatus in scientific publications. Korean name is 납자루 (napjaru, meaning 'slender bitterling').