6535 Ompok bimaculatus (Bloch, 1794) Siluridae Sheatfishes Siluriformes Teleostei Butter catfish Asia: Indian subcontinent and Myanmar. UBC 590532 13 N 103 E Ompok bimaculatus UBC 590574 13 N 99 E Ompok bimaculatus UBC 110652 Ompok bimaculatus UBC 110649 Ompok bimaculatus UBC 660020 22 N 92 E Ompok bimaculatus UBC 660021 22 N 92 E Ompok bimaculatus UBC 660026 23 N 90 E Ompok bimaculatus UBC 660027 22 N 92 E Ompok bimaculatus UBC 660038 23 N 90 E Ompok bimaculatus UBC 660044 23 N 90 E Ompok bimaculatus UBC 660044 23 N 90 E Ompok bimaculatus UBC 660046 23 N 90 E Ompok bimaculatus UBC 550401 24 N 68 E Ompok bimaculatus FW O1825-T Ompok bimaculatus UBC 660010 22 N 92 E Ompok bimaculatus AMNH 9498 1915 Ompok bimaculatus AMNH 37925 1976 Ompok bimaculatus FISH 387777 19 N 85 E 1995 Ompok bimaculatus