Leptobarbus hoevenii
 Hoven's carp (Leptobarbus hoevenii; Jelawat in Malay) also known as the mad barb or sultan fish is a species of fish in the barb family. It is native to freshwater habitats in the Thai-Malay Peninsula Borneo and Sumatra. Populations further north in the Chao Phraya and Mekong Basins were included in this species until 2009 but are now considered a separate species L. rubripinna. The two are frequently confused and the same common names have been used for both; only L.