(Discherodontus ashmeadi)
Discherodontus ashmeadi, commonly known as the redtail barb, is a fish native to the lower Mekong river basin in Thailand, Cambodia, Vietnam, and Laos. It inhabits both the mainstream Mekong and its tributaries, as well as lakes and reservoirs connected to rivers. It grows to 13.6 cm (5.4 in) SL. It is present in mixed fisheries but is not an important fishery species.