Taxonomical notes on selected freshwater fish species described from northern and central Vietnam(Cypriniformes:Balitoridae,Cobitidae,Cyprinidae,Nemacheilidae; Perciformes:Channidae,Osphronemidae;Synbranchiformes:Mastacembelidae)

Selected,little known taxa of northern and central Vietnamese freshwater fish species are reviewed.Nomenclatural acts are taken:Hemibarbus lehoai is placed in synonymy of H.maculatus,Paracobitis hagiangensis in synonymy of Schistura caudofurca.A neotype of Micronemacheilus bacmeensis is assigned.The name Channa hanamensis is treated as a nomen nudum.Two labeonine species described from China are nomenclaturally affected:Garra findolabium is transferred to Vinagarra and its specific epithet is treated as a noun in apposition;the specific epithet of Sinigarra napoense is corrected to napoensis.