| | . (MeHoi.htm) |
| | Ompok bimaculatus (Bloch, 1797) (TrenBau.htm) |
| | Ompok hypophthalmus (Bleeker, 1846); Siluroides hypophthalmus Bleeker, 1846; Silurus hypophthalmus Bleeker, 1846 (TrenOng.htm) |
| | Ophicephalus gachua Hamilton, 1822 (DanhDuc.htm) |
| | Ophicephalus lucius Cuvier & Valenciennes, 1831 (Day.htm) |
| | Ophicephalus micropeltes (Cuvier và Valenciennes, 1831) (Bong.htm) |
| | Ophiocephalus maculatus (Lacépède, 1802) (ChuoiHoa.htm) |
| | Ophiocephalus striatus (Bloch, 1793) (Loc.htm) |
| | Ophiocephalus striatus (Bloch, 1793)1 (LocBong.htm) |
| | Oreochromis mossambicus (Peters, 1852) (RoPhiDen.htm) |
| | Oreochromis niloticus (Linnaeus, 1757) (RoPhiVan.htm) |
| | Osphoronemus gouramy (Lacepede, 1802) (TaiTuong.htm) |
| | Osteochilus hasseltii (Valenciennes, 1842) (MeLui.htm) |
| | Osteochilus melanopleura (Bleeker, 1852) (MeHuong.htm) |
| | Osteochilus schlegelii (Bleeker, 1851) (LuiSoc.htm) |
| | Osteogeneiosus militaris (Linnaeus, 1758) (UcThep.htm) |
| | Otolithes ruber (Bloch & Schneider, 1801) (NangHong.htm) |
| | Oxyeleotris marmorata (Bleeker, 1852) (BongTuong.htm) |
| | Oxyurichthys microlepis (Bleeker, 1857) (BongXeVayNho.htm) |
| | Trichopsis vittatus (Cuvier & Valenciennes, 1831) (BaiTrau.htm) |