Sinobdella sinensis is a species of the spiny eel family (order Synbranchiformes), and is the only species of the genus Sinobdella. The placement of this genus has been debated. It is placed in Mastacembelidae as the sister group to the rest of the family. This species has been placed as a member of the family Chaudhuriidae, but the evidence for this relationship is not strong. This fish is a subtropical species found in rivers in China, Taiwan, and Vietnam. It can grow to 19 cm (7.5 in) TL. It inhabits rivers, feeding on larvae, insects, worms and crustaceans.