4752 Hemibarbus maculatus Bleeker, 1871 Gobionidae Gudgeons Cypriniformes Teleostei Spotted steed Asia: China, Korea, Japan and Amur River basin. At least one country reports adverse ecological impact after introduction. AMNH 10611 Hemibarbus maculatus AMNH 224680 Hemibarbus maculatus AMNH 53073 Hemibarbus maculatus AMNH 10622 1921 Hemibarbus maculatus AMNH 79272 1924 Hemibarbus maculatus AMNH 12769 1934 Hemibarbus maculatus