Platysmacheilus exiguus

Platysmacheilus exiguus is a species of cyprinid endemic to China. P. exiguus is a subtropical freshwater benthopelagic fish Its homotypic synonym is Pseudogobio exiguus. Originally classified in 1932, its genus Platysmacheilus has been joined by the longibarbatus (1977), nudiventris (1977), and the zhenjiangenisis (2005).