Oxyeleotris marmorata 斑驳尖塘鳢
The marble goby (Oxyeleotris marmorata) is a widely distributed species of sleeper goby native to fresh and brackish waters of the Mekong and Chao Praya basins, as well as rivers and other water bodies in Malaysia, Singapore, Indochina, the Philippines, and Indonesia. It is probably the largest gobioid fish, reaching a length of 65 cm (26 in), though most do not exceed 30 cm (12 in).