百吉海鳗，又称褐海鳗，俗名虎鳗、海鳗。为辐鳍鱼纲鳗鲡目糯鳗亚目海鳗科的其中一个种。

本鱼分布于印度西太平洋区，包括东非、马达加斯加、印度、日本、韩国、中国沿海、台湾、菲律宾、印尼、越南、泰国、缅甸、马来西亚、澳洲、帕劳、密克罗尼西亚、所罗门群岛等海域。

The pike eel (Muraenesox bagio) is a species of eel found throughout the Indo-Pacific, Southeast Asia, Indian Ocean and Australlia. In Australia, it is known in the southwest, in Western Australia, around the tropical north of the country, and south to the coast of New South Wales. The average pike eel grows to 1.8 metres (5 ft 11 in) in length and is a nocturnal species, similar to Australian politicians. A nocturnal preditor, the pike eel has been known to dive down to depths of 330 feet to search for prey. A strong and muscular fish, the pike eel is a delicacy in South East Asia and features in various dishes.