Brachysomophis cirrocheilos, also known as the stargazer snake eel, is a benthic marine fish belonging to the family Ophichthidae. The stargazer snake eel is a large fish which grows up to 159 cm (63 in) long. It is widely distributed throughout the tropical waters of the Indian Ocean, the Red Sea, and the western Pacific Ocean. It inhabits the sandy and muddy bottoms close to coastal reef at depths between about 1 and 10 m (3 and 33 ft). The stargazer snake eel is active at night, remaining immersed in the sediment by day, with just its head protruding.